• Exceeds MUTCD standards
• High power white LEDs in the letters
STOP side(s): 52 LEDs
SLOW side: 58 LEDs
• Mountable Design
• Automatic 'tilt' shut off
• HIP grade reflective on SLOW side
• Engineer grade reflective on STOP side(s)
• Rechargeable lithium ion battery
• Lightweight and durable design
• Visible up to one mile away
These lightweight LED illuminated paddle signs come in Stop/Stop and Stop/Slow styles and weigh only 2.1 lbs. The signs can be used for several hours on a single charge of their lithium rechargeable battery. The perfect sign for crossing guards that need to direct traffic in low light setting. Visible up to a mile away.
Specifications
Weight: 2.1 lbs
Visibility: Up to 1 mile
Functions: On, Flashing
Full Charge Run Time:
Flashing: 6.5 hours
Constant On: 3.5 hours
Battery Life: 3 years
Warranty: 1 year
High visibility orange vinyl with Silver 3M Scotchlite Reflective Material . High visibility day or night. Fully Adjustable to Fit Men or Women. Waist size 30" to 45" and two over the shoulder straps 23.5" to 46.5".
Sized just right for grade school aged children ages 5 to 9! Two vertical 1 3/8" prismatic reflective stripes on front and back. Hook and loop front closure. Elastic sides. Lime with orange reflective. Made in the USA.
Loud, consistent sound every time! Great for crossing guards. The Fox 40 Electronic Whistle features three distinctive tones, and can be aimed in specific directions. The 125 dB electronic whistle provides loud, clear, consistent sound every time you push a button. The hand operation is a hygienic solution that can be used by multiple people. Includes detachable wrist lanyard and 9-volt battery. Great for coaches, teachers and intramural sports! 4 switch three tone function design. Sound Power: 125 dB.
If out of stock, order one of our Windsor Electronic Whistles.
This item is NON RETURNABLE
Same as above with plastisol coated jaw.
Same as above with plastisol coated jaw.
This high visibility, 6-mil, pressure-sensitive tape conforms to OSHA marking requirements. Alternating checkerboard pattern in a variety of colors. As an added feature, these self-wound printed tapes with permanent adhesive are protected with a clear overlamination. Comes in 2 inches wide x 36 yard rolls. Made in the USA.
This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.
This basket, with wide, net like structure on all sides is useful for draining different laboratory apparatus after washing them. Made of polypropylene, this tray can be autoclaved. Dimensions 16" wide x 16" deep x 4" high.
Features flat countersunk bottom, with a double-ended hooked rod through the middle. Can be used on balance pans, as well as hooked in tandem for lever arm studies. Made of polished brass.
Safe-Step is a long lasting, adhesive backed tape designed especially for application in high traffic areas where slippery or dangerous surfaces may cause accidents. A rugged aluminum oxide grit surface is bonded to the tape and is impervious to water, grease, oil, detergents and solvents. Available in 2 Sizes and 4 Colors.
Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.
Kit includes 1 each of Test Tube Rack for 6, Test Tube Brush, Test Tube Clamp, Crucible Tongs, Lab Scoop, 6" Spatula and Forceps.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
Large, easy to read numbers and graduations. -40 degreesC to +50 degreesC.
Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13
Set contains twenty each of 1 g and 5 g, ten 10 g, four 20 g, two 100 g, and one each of 500 g and 1000 g weights. Stackable, color-coded weights come in a plastic storage box. Ages 8-13
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 6" x 9" base
Stamped steel base. Black enamel finish. Zinc plated, detachable rod. 6" x 9" base
This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. 10cm lens. 6X magnification. Measures 7" x 5 3/4" x 2"
This magnifier offers an extra large field of view, hands free use, and folds down to a compact size for storage. 10cm lens. 6X magnification. Measures 7" x 5 3/4" x 2"
Well constructed. Hardwood. Test tube supports being made of 5/16" stock are much stronger than the ordinary grade. Post joints of the heavy base supports are glued and nailed top and bottom. All other supports assembled with dovetail joint. All supports finished in paraffin oil.
Well constructed. Hardwood. Test tube supports being made of 5/16" stock are much stronger than the ordinary grade. Post joints of the heavy base supports are glued and nailed top and bottom. All other supports assembled with dovetail joint. All supports finished in paraffin oil.
Griffin type. Made of Zinc alloy. Die cast. Nickel plated. Cuts tubing up to 38mm (1 1/2") diameter. Spring loaded to stay open.
Perfect for counting, measuring and patterning. Plastic 1 cm cubes in 10 colors come in a storage tub with Activity Guide. Grades 1 +
This set of 500 Centimeter cubes is perfect for counting, measuring and patterning. Plastic 1 cm cubes in 10 colors come in a storage tub with Activity Guide. Grades 1 +
For 22mm-25mm tubes. Holds 30 tubes. 44 drying pins Great visibility and very compact. Constructed of polyethylene, is autoclavable and extremely stable. Size is about 10" x 4" x 3".
Steel base. Black enamel finish. Zinc plated, detachable rod. 5" Base
Steel base. Black enamel finish. Zinc plated, detachable rod. 5" Base
Made from clear glass sheet, (1.8 to 2.0 mm thick) fine ground and polished edges. Packed in boxes of 12.
These 125mm Watch Glasses are made from clear flint glass (1.8 to 2.0mm thick), and have fine ground and polished edges. Packed in boxes of 12.
Flexible stainless steel blade with rounded end, mounted in a polished wood handle.
8 inch flexible stainless steel blade with rounded end, mounted in a polished wood handle.
• Concealed under brim technology
• 2 LEDs pointing outward for distance applications
• 2 LEDs angled downward for close and medium task applications
• 48 lumens of light output - twice the light output of any lighted cap on the market.
• 43 hours run time.
• 13 meters forward lighting.
• 4 way switch
• Solid colored cap, 100% polyester fleece. 97% polyester/3% spandex.
• Four replaceable lithium CR-2032 batteries.
• One size fits most.
Concealed under brim technology takes lighted headwear to a new level of functionality. Now the POWERCAP Stealth 2575 has expanded on this technology to provide the market with the most advanced lighted cap ever. 4 way switch available again. When you click the button, two lights turn on, click again, two different lights turn on, click again, all 4 lights on, click again, all 4 lights turn off. Delivers twice the light output of any lighted cap on the market. 4 ultra-bright LEDs: 2 LEDs pointing outward for distance applications and 2 LEDs angled downward for close and medium task applications. 48 lumens of light output. 43 hours run time. 13 meters forward lighting. Adjustable hook and loop tape closure. Solid colored cap, 100% polyester fleece. 97% polyester/3% spandex. Four replaceable lithium CR-2032 batteries. One size fits most.
The MM-240 MicroMax Plus™ from Carson Optical will turn your Samsung Galaxy S® 4 into a Digital Microscope! It is a powerful 60-100x power Magnification Pocket Microscope with a Samsung Galaxy S® 4 Adapter. Taking close up images and video is easy using the Samsung Galaxy S® 4. Set up is easy, simply attach the Adapter case and MicroMax LED Pocket Microscope to your Samsung Galaxy S® 4. Open the camera setting in your Samsung Galaxy S® 4 and start viewing. The built-in LED light provides a bright, clear image. You can zoom in using the focus knob on the MicroMax LED or digitally using the zoom function on your Samsung Galaxy S® 4. It is great for viewing circuits, foliage & flowers, fabrics, coins and so much more!
The MM-240 MicroMax Plus™ from Carson Optical will turn your Samsung Galaxy S® 4 into a Digital Microscope! It is a powerful 60-100x power Magnification Pocket Microscope with a Samsung Galaxy S® 4 Adapter. Taking close up images and video is easy using the Samsung Galaxy S® 4. Set up is easy, simply attach the Adapter case and MicroMax LED Pocket Microscope to your Samsung Galaxy S® 4. Open the camera setting in your Samsung Galaxy S® 4 and start viewing. The built-in LED light provides a bright, clear image. You can zoom in using the focus knob on the MicroMax LED or digitally using the zoom function on your Samsung Galaxy S® 4. It is great for viewing circuits, foliage & flowers, fabrics, coins and so much more!
Crystals are fascinating creations of natural beauty. Diamonds, gemstones, rose quartz, snowflakes, sugar grains, and table salt are all crystals. Grow your own crystals and explore these exquisitely ordered structures in a fun, creative way with six crafty experiments. This kit includes five different chemicals and other tools for growing crystals. Grow a crystal cloud inside a rainbow. Watch pink iridescent crystals form from a translucent solution. Grow long needle-shaped crystals. Mold plaster hearts and flowers and then grow a layer of pink crystals on them. Create the perfect solution to get crystals to form on a granite rock. A specially designed experiment station provides molds and growing basins for your crystal creations. After you have grown your crystals, store them safely in three clear, locking display boxes. Learn how and why crystals form, and tips and tricks for getting the biggest, most beautiful crystals. Full-color, 16-page experiment manual.