Fold-up safety floor signs make your "caution" clear on all four sides. These patent-pending signs come with an innovative device called the Lockin' Arm" that lets you place them quickly and easily with a couple of quick flicks, locking the 25" high sign solidly into place to prevent collapsing. In addition signs are made of large, molded plastic panels that offer an easy-to-read message area. Virtually indestructible. 1 1/2" thickness allows for easy space saving storage.
Fold-up safety floor signs make your "caution" clear on all four sides. These patent-pending signs come with an innovative device called the Lockin' Arm" that lets you place them quickly and easily with a couple of quick flicks, locking the 25" high sign solidly into place to prevent collapsing. In addition signs are made of large, molded plastic panels that offer an easy-to-read message area. Virtually indestructible. 1 1/2" thickness allows for easy space saving storage.
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"
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
For 17mm-20mm tubes. Holds 40 tubes. 55 drying pins. 44 drying pins. Great visibility and very compact. Constructed of polyethylene, is autoclavable and extremely stable. Size is about 10" x 4" x 3".
For 17mm-20mm tubes. Holds 40 tubes. 55 drying pins. 44 drying pins. Great visibility and very compact. Constructed of polyethylene, is autoclavable and extremely stable. Size is about 10" x 4" x 3".
For 14mm-17mm tubes. Holds 50 tubes. 66 drying pins. 44 drying pins. Great visibility and very compact. Constructed of polyethylene, is autoclavable and extremely stable. Size is about 10" x 4" x 3".
For 14mm-17mm tubes. Holds 50 tubes. 66 drying pins. 44 drying pins. Great visibility and very compact. Constructed of polyethylene, is autoclavable and extremely stable. Size is about 10" x 4" x 3".
Metal construction. With sliding plate glass front. Two glass chimneys. Candle holder is mounted in the box.
Metal construction. With sliding plate glass front. Two glass chimneys. Candle holder is mounted in the box.
See laborers carrying, soldiers guarding. Includes one year supply of ant food, liquid feeder, farm handbook, California sand, and coupon for ordering live ants. 10" x 15".
Graduated Interval: 0.05ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
Graduated Interval: 0.05ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
Graduated Interval: 0.10ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
25ml Glass Burette. Graduated Interval: 0.10ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
Graduated Interval: 0.10ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
50ml Glass Burette. Graduated Interval: 0.10ml Borosilicate glass burettes offer accuracy, reliability and durability even after repeated usage. Each burette is individually calibrated for precision and high accuracy. All graduations are durable in white enamel. The burette stopcocks are specially ground so they provide leak resistant operation. Burettes with general purpose (gp) screwthread stopcocks with PTFE keys offer excellent flow control. Also, burettes with these gp stopcocks have unique Fluon/glass seals that prevent leakage.
Our Glass Dropping Pipettes consist of a glass tube attached to a 5ml bulb. Sold in packs of 12. Bulb color may vary.
Griffin type. Made of Zinc alloy. Die cast. Nickel plated. Cuts tubing up to 38mm (1 1/2") diameter. Spring loaded to stay open.
Also called glycerin or glycerine, Glycerol is both a colorless and odorless liquid, that is fairly viscous. It is a simple polyol compound, with a triglyceride backbone and 3 hydroxyl groups.
Graduation Interval: 1ml Borosilicate cylinder with pour spout features single "to contain" scales. Hexagonal base.
Graduation Interval: 2ml Borosilicate cylinder with pour spout features single "to contain" scales. Hexagonal base.
Graduation Interval: 2ml Borosilicate cylinder with pour spout features single "to contain" scales. Hexagonal base.
Plastic Base w/ Bumper Guards. Graduation Interval: 2ml
Plastic Base w/ Bumper Guards. Graduation Interval: 2ml
Crystal clear PMP Plastic, autoclavable beakers feature excellent chemical resistance. Permanent graduations are molded in. Manufactured per ISO standard 7056-1981 (E), beakers have stated tolerance of +/- 10%. Available in 6 sizes.
Maximum Use Temperature = 175°C
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.
What can you do to create an extraordinary science project? How is a clear and easy-to-follow display organized? What are the do's and don'ts of science fair projects? Where will you find the best collection of science fair ideas? The answers-and the fun-are all in this exciting book of innovative, easy-to-understand, show-stopping science fair projects. Discover how to develop a topic from your own idea; research, create, and assemble your project; then display it in a way that will make it stand out from the crowd. Tackle some of Janice VanCleave's favorite experments on topics ranging from astronomy, biology, and engineering to botany, geology, and oceanography. Then let your mind loose to explore whatever topic most interests you. Enjoy working on intrigluing experiments while learning the secrets pf science fair success!
What can you do to create an extraordinary science project? How is a clear and easy-to-follow display organized? What are the do's and don'ts of science fair projects? Where will you find the best collection of science fair ideas? The answers-and the fun-are all in this exciting book of innovative, easy-to-understand, show-stopping science fair projects. Discover how to develop a topic from your own idea; research, create, and assemble your project; then display it in a way that will make it stand out from the crowd. Tackle some of Janice VanCleave's favorite experments on topics ranging from astronomy, biology, and engineering to botany, geology, and oceanography. Then let your mind loose to explore whatever topic most interests you. Enjoy working on intrigluing experiments while learning the secrets pf science fair success!
You asked for it! Just what kids, teachers, and parents have been waiting for-two valuable resources for doing super science fair projects. Includes project ideas, dos and don'ts, display tips and much more! For ages 8-12.
You asked for it! Just what kids, teachers, and parents have been waiting for-two valuable resources for doing super science fair projects. Includes project ideas, dos and don'ts, display tips and much more! For ages 8-12.
6 cm in diameter. Supplied with supported base with socket at top end for holding the gyroscope and demonstrating various principles.
6 cm in diameter. Supplied with supported base with socket at top end for holding the gyroscope and demonstrating various principles.
The manual contains detailed illustrations and explanations of 24 hands-on experiments that can be conducted using the GENECON and the GENECON Kit. Concepts covered range from circuit types to principles of electromagnetism. This is a must-have manual for every science curriculum.
The United hand held generator offers features and quality similar to much more expensive brands currently offered in the science education market. This 6V DC Generator can deliver up to 400mA current. The generator comes equipped with a polarity coded plug in lead with alligator clips. The clear plastic housing allows students to watch the coils, terminals, and gears. Students get a hands-on demonstration of the Second Law of Thermodynamics. Includes activity guide.
The United hand held generator offers features and quality similar to much more expensive brands currently offered in the science education market. This 6V DC Generator can deliver up to 400mA current. The generator comes equipped with a polarity coded plug in lead with alligator clips. The clear plastic housing allows students to watch the coils, terminals, and gears. Students get a hands-on demonstration of the Second Law of Thermodynamics. Includes activity guide.