20mm, 7/8" diameter compasses for magnet experiments. Aluminum case with glass top.
Will adapt to blade sizes 20-23, Forged steel, comes with one blade (No. 22).
Weather project worksheets. For individual student use with wall chart. Pad of 50 sheets, 8 1/2" x 11".
Weather project worksheets. For individual student use with wall chart. Pad of 50 sheets, 8 1/2" x 11".
Expand student's understanding of energy costs with this model of a passive solar house. The 11" x 11" x 8" model comes with a detailed Teacher's Guide containing activities in basic science, solar energy, and energy conservation. Grades 3-9.
Expand student's understanding of energy costs with this model of a passive solar house. The 11" x 11" x 8" model comes with a detailed Teacher's Guide containing activities in basic science, solar energy, and energy conservation. Grades 3-9.
All you need is water, a little sunshine and imagination for hours of fun making photographic type prints, available in 2 sizes. 4" x 4", 10 sheets, 1 acrylic plate and instructions in a lightproof envelope.
Contains 4" x 4" sheets of sunprint paper and an acrylic overlay. This acrylic overlay helps press objects such as leaves flat in contact with the paper to insure a good print.
Developed by educators at the Lawrence Hall of Science, Sunprints encourage an interest in the photographic process using only sun, water, and a bit of imagination.
Place a leaf, flower, or other object on the special paper and set it in the sun briefly.
Then rinse the paper in water and watch as a beautiful long-lasting image appears.
This is the world's most acclaimed hand-held detector. For many years now, it has been the hand-held detector of choice by law enforcement officials and security personnel. Ultimate sensitivity not subject to arbitrary adjustment. Order Recharge Kit (SA115P) separately.
The Garrett Rechargeable Battery Kit is a great metal detector accessory for your Garret Hand-Held Super Scanner Metal Detector (SA114P). The Recharger Kit allows for recharging the metal detector without the need to remove the battery. This Garrett Recharger Kit provides an additional source of power for an extended use of the metal detector. The Garrett Recharger Kit comes with a cadmium-free Ni-MH battery and a 110 V charger for faster charging.
• Full 180 degree view with no distortion
• Made of polycarbonate
• Anti-scratch coating
• Anti-Fog treated lenses
• Silicone pads for perfect fit.
• Offer great vision and protection.
• Flow-through ventilation design minimizes fogging
• Size: Adult
Full 180 degree view with no distortion. Made of polycarbonate. Anti-scratch coating, fog-free lenses. Silicone pads for perfect fit. Offer great vision and protection. Unique flow-through ventilation design minimizes fogging.
• Full 180 degree view with no distortion
• Made of polycarbonate
• Anti-scratch coating
• Anti-Fog treated lenses
• Silicone pads for perfect fit.
• Offer great vision and protection.
• Flow-through ventilation design minimizes fogging
• Size: Youth
Full 180 degree view with no distortion. Made of polycarbonate. Anti-scratch coating, fog-free lenses. Silicone pads for perfect fit. Offer great vision and protection. Unique flow-through ventilation design minimizes fogging.
Super Stripe Traffic Paint is heavy-duty and lays miles of lines so you get more stripes per dollar. One case will give you about 2,400 linear feet of bright crisp 3" lines. Perfect for parking lots, floors and safety zones. 12 cans/case.
50 specimens approximately 1-1/2". Includes industrial minerals, gem-type minerals, rock-forming minerals and igneous, sedimentary and metamorphic rocks plus Study Guide. Grades 5-12. Ages 10-18.
50 specimens approximately 1-1/2". Includes industrial minerals, gem-type minerals, rock-forming minerals and igneous, sedimentary and metamorphic rocks plus Study Guide. Grades 5-12. Ages 10-18.
The surface mounted Fixed Base is designed for permanent applications, and secures the upright with cap screws and washers. The bases can be mechanically fixed to surfaces with the SS212P Anchor Kit (See below).
Dimensions: 8” x 8” x 1”
The surface mounted Quick Release Base has a unique quick release feature, and is designed for permanent or long term applications. The quick release feature provides the ability to change out or remove uprights in less than five seconds without the use of tools or special equipment. The base can be mechanically fixed to surfaces with the SS212P Anchor Kit (See below).
Dimensions: 8” x 8” x 1”
Neodymium (NdFeB) is the most powerful magnet material in the world. Neodymium is classified as an element in the lanthanides section of the Periodic Table. These are the super strong magnets you have heard about that can attract through your hand.
Set includes: letter "e", w.m.; animal hairs, w.m.; natural fibers, w.m./ synthetic fibers, w.m.; bacteria types, sm.; pollen grains, w.m.; Starch grains, w.m.; trichina, w.m; cornea of insect eye, sec.; body louse, w.m.; cat flea, w.m.; butterfly wing to show scales, w.m.; Mosquito larvae, w.m.; Mosquito head, w.m.; Fly leg, w.m.; Honeybee wings, w. m.; Honeybee sting, and poison sac, w.m.; feather, w.m.; Paramecium. w.m.; human blood, sm.; Yeast budding, sm.; plant hairs, w.m.; Corn stem, c.s.; Basswood stem, c.s.; Starfish eggs in cleavage, w.m.
Set includes: letter "e", w.m.; animal hairs, w.m.; natural fibers, w.m./ synthetic fibers, w.m.; bacteria types, sm.; pollen grains, w.m.; Starch grains, w.m.; trichina, w.m; cornea of insect eye, sec.; body louse, w.m.; cat flea, w.m.; butterfly wing to show scales, w.m.; Mosquito larvae, w.m.; Mosquito head, w.m.; Fly leg, w.m.; Honeybee wings, w. m.; Honeybee sting, and poison sac, w.m.; feather, w.m.; Paramecium. w.m.; human blood, sm.; Yeast budding, sm.; plant hairs, w.m.; Corn stem, c.s.; Basswood stem, c.s.; Starfish eggs in cleavage, w.m.
• Measures 32” x 42” and includes:
• 2-sided 24” x 36” white Write-On/Wash-Off™ sign face
• Set of 4 markers (red, blue, green, black).
The Swinger Sidewalk Changeable Sign is the ultimate outdoor sign offering versatility, affordability, portability and easy assembly - all with sleek, contemporary design that commands attention with it’s gentle swinging motion. Swinger sidewalk signs are made from rust-proof technopolymers with internal steel supports for durability and stability in rainy or windy conditions. It’s narrow 24” profile easily fits through any door.
Automatically turns on at 30 degrees, 60 degrees, or 90 degrees angles. Never needs calibration. 3 second update. Range: -50 degrees to 150 degrees Celsius
Our Swivel mount Sign Frames for retractable belt stanchions enable setting and locking the frames in 8 different viewing angles. These exclusive Beltrac post frames are the best in the industry. They feature radius corners, eliminating sharp edges near your customers for safety and sleek design. Each frame includes twin clear acrylic panels designed to accept regular 8 1/2" x 11" printed paper. Choose between a slotted frame top for easy graphic change or a fully enclosed frame for more tamper proof signs or advertising display.
Our Swivel mount Sign Frames for retractable belt stanchions enable setting and locking the frames in 8 different viewing angles. These exclusive Beltrac post frames are the best in the industry. They feature radius corners, eliminating sharp edges near your customers for safety and sleek design. Each frame includes twin clear acrylic panels designed to accept regular 8 1/2" x 11" printed paper. Choose between a slotted frame top for easy graphic change or a fully enclosed frame for more tamper proof signs or advertising display.
Our Swivel mount Sign Frames for retractable belt stanchions enable setting and locking the frames in 8 different viewing angles. These exclusive Beltrac post frames are the best in the industry. They feature radius corners, eliminating sharp edges near your customers for safety and sleek design. Each frame includes twin clear acrylic panels designed to accept regular 8 1/2" x 11" printed paper. Choose between a slotted frame top for easy graphic change or a fully enclosed frame for more tamper proof signs or advertising display.
Our Swivel mount Sign Frames for retractable belt stanchions enable setting and locking the frames in 8 different viewing angles. These exclusive Beltrac post frames are the best in the industry. They feature radius corners, eliminating sharp edges near your customers for safety and sleek design. Each frame includes twin clear acrylic panels designed to accept regular 8 1/2" x 11" printed paper. Choose between a slotted frame top for easy graphic change or a fully enclosed frame for more tamper proof signs or advertising display.
• Rapidly removes Graffiti and Tagging Obscenities!
• Safe, Bio-degradable, Non-toxic, Non-Caustic and Non-Flammable!
• Will Not Run Off Vertical Surface!
• Originally developed for Public Works Departments and State DOT’S
Works on:
• Street Safety Signs
• Bridges
• Restroom Privacy Panels
• Tile
• Metal, Brick, and Sided Buildings
• Plastic Playground Equipment
• Concrete Walls
• Railroad Cars
• Trees
• Rocks
First Impressions are lasting Impressions! If you are responsible for removing graffiti, you know how frustrating and expensive this task can be. Whether you are a governmental agency, a facility manager or a maintenance supervisor and you need to remove a simple declaration of love or a gang symbol, using TAGSTER will solve your problem. TAGSTER is extremely versatile and can be used on variety of different surfaces like metal, concrete, wood, and plastic. TAGSTER was originally developed for Public Works Departments and State DOT’S who have been plagued for years by vandals that spray paint, obscenities, crude language and declarations of love on buildings, equipment, traffic signs, restrooms, playground equipment and bridge embankments.
Pulley is high-quality impact-resistant, chip-proof injection molded, balanced wheel. Smooth, clean V-groove. Wheel diameter 2", 360 degrees swivel hooks-top and bottom. All steel blocks.