Includes 8 acrylic plastic blocks: 1 rectangular, 1 semi-circular, 1 double concave, 1 equilateral 60 x 60 x 60 degrees, 2 right angle 90 x 60 x 30 degrees and 90 x 45 x 45 degrees, 1 circular, 1 double concave. 8 mounted color filters. 2 Slit Plates. 3 Mirrors: 1 plane mirror, 1 semicircular, 1 parabolic. 1 Set of Colored Cards. The Light Box is used to perform experiments in reflection, refraction and color mixing. Box has hinged sides to produce divergent, convergent or parallel rays of light. Light Box has grooves to accept slit plates or color filters. Operates on 12 V. spare bulb provided. Supplied in a thermocole box with place for each part.
Includes 8 acrylic plastic blocks: 1 rectangular, 1 semi-circular, 1 double concave, 1 equilateral 60 x 60 x 60 degrees, 2 right angle 90 x 60 x 30 degrees and 90 x 45 x 45 degrees, 1 circular, 1 double concave. 8 mounted color filters. 2 Slit Plates. 3 Mirrors: 1 plane mirror, 1 semicircular, 1 parabolic. 1 Set of Colored Cards. The Light Box is used to perform experiments in reflection, refraction and color mixing. Box has hinged sides to produce divergent, convergent or parallel rays of light. Light Box has grooves to accept slit plates or color filters. Operates on 12 V. spare bulb provided. Supplied in a thermocole box with place for each part.
The lyophilized cultures in this kit are ready to use when you need them. Just add water. Performs same tests as 02429 kit (above). Grades 9-12.
The lyophilized cultures in this kit are ready to use when you need them. Just add water. Performs same tests as 02429 kit (above). Grades 9-12.
For micro chemistry experiments. Microplate has 48 small holes and 12 large wells.
For micro chemistry experiments. Microplate has 48 small holes and 12 large wells.
Contains 30 different minerals (5 of each sample) to be used with the taxonomic key contained in the lab manual. Students test for hardness, specific gravity, color, streak, and cleavage. Includes a Mineral Testing Kit which consists of a streak plate, glass plate, hand lens, magnet, acid bottle, nail, penny, and hardness scale. Grades 7-12. Ages 12-18.
Contains 30 different minerals (5 of each sample) to be used with the taxonomic key contained in the lab manual. Students test for hardness, specific gravity, color, streak, and cleavage. Includes a Mineral Testing Kit which consists of a streak plate, glass plate, hand lens, magnet, acid bottle, nail, penny, and hardness scale. Grades 7-12. Ages 12-18.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "All Visitors Must Report to Office" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “All Visitors Must Report to Office” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "Caution Children Crossing Ahead" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “Caution Children Crossing Ahead” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "Do Not Enter" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “Do Not Enter” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "Drop Off Only" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “Drop Off Only” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• Has a 12in x 24in dry erase board on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Has a 12in x 24in dry erase board on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground. NOTE: This item is not intended to be left outdoors, or used outdoors during wet weather.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "Enter Here" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “Enter Here” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "Event Parking" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “Event Parking” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "All Visitors Must Report to Office" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “All Visitors Must Report to Office” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "All Visitors Must Report to Office" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “All Visitors Must Report to Office” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "All Visitors Must Report to Office" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “All Visitors Must Report to Office” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "Lot Full" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “Lot Full” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "No Idling Zone" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “No Idling Zone” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "No Parking" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “No Parking” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "No Parking, Buses Only" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “No Parking, Buses Only” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "No Pick Up/No Drop Off" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “No Pick Up/No Drop Off” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "Pick Up Only" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “Pick Up Only” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "All Visitors Must Report to Office" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “All Visitors Must Report to Office” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "School Bus Only, Do Not Enter" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “School Bus Only, Do Not Enter” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "School Bus: Loading / Unloading" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “School Bus: Loading / Unloading” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.
• All Plastic Sign Frame
• 12in x 24in legend area
• Has "School Crossing 15 MPH" printed on both sides
• Regressed sign area helps to protect sign faces
• Features “click lock” hinges for a positive interlock in the open position
• Can be internally ballasted with sand
• Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces
• Outside Dimensions: 36”H X 13”W x 3”D
• Weight: 10 lbs.
Molded all plastic hollow sign frame that can be internally weighted down with sand. Only 3 or 4 pounds is recommended per leg. Most of the weight is at the bottom where it acts like an anchor. They are extremely durable. Stacking lugs facilitate handling by keeping stacked units from sliding and damaging sign faces. Features “click lock” hinges for a positive interlock in the open position. Legend area measure 12in x 24in. “School Crossing 15 MPH” printed on both sides. Outside Dimensions: 36”H X 13”W x 3”D. Weight: 10 lbs. Ships UPS or FedEx Ground.