$10 to $25

12 3/4" Wide x 10 1/2" Long Printed on One Side These directional reinforcement devices give supplemental standard warnings and directions creating safer traffic control in the school area. Installs in seconds and firmly locks in place. Reusable, All-weather ABS plastic with UV. Used by thousands of schools, cities and utility companies.

Sodium acetate, lab grade, anhydrous, powder - 500g.

Sodium phosphate, monobasic, reagent, granular, crystal - 125g.

This Kit is designed for use by all who are curious about solar energy. Included: a solar cell, which is encapsulated in a 1 3/4" x 2 7/8" panel. Also included is a 1.5 volt DC motor, a red plastic propeller, and one 12" lead wire. A fun way to acquire basic knowledge about the energy source of the future.
This Kit is designed for use by all who are curious about solar energy. Included: a solar cell, which is encapsulated in a 1 3/4" x 2 7/8" panel. Also included is a 1.5 volt DC motor, a red plastic propeller, and one 12" lead wire. A fun way to acquire basic knowledge about the energy source of the future.

This kit includes
• (3) blank note cards with envelopes
• (2) preprinted stencil sheets
• (2) frames
• (12) 5-inch x 7-inch sheets of solar print paper
• Detailed instructions.

• Make cool designs using a chemical reaction that relies on the power of the sun. 
• Solar prints are a fun and scientific art project to do with friends and family.
• Fun to make and easy to use, solar prints make for a great craft at home or school.
• Made using safe and high quality materials, this product is designed to last.
• Recommended for ages 5 and up.

This big kit includes everything needed to make fun and educational solar prints. Place interesting objects on top of a sheet of light-sensitive solar print paper and expose it to the sun. A quick rinse in water makes the image permanent! Safe and easy to use. A fun science or art project. Each kit includes 12 pieces of 5in x 7in solar paper sheets, two print frame holders, three blank note cards with envelopes, for sending your prints to friends and family, and full instructions.

• Transform a recycled soda can into a solar-powered rover
• This kit includes all the parts necessary to build one solar-powered car.
• Detailed assembly instructions included
• Perfect for a young scientist with an interest in mechanics and alternate energy
• Recommended for ages 8 years and up

To study Spectral Lines of Pure Elements / Gases. Gas under pressure in the tubes is used to produce a light for spectral analysis. Brightness of light depends on the nature of gas. Optimum intensity, line resolution and longer life. Metal ends with long life electrodes. About 26 cm long, with 90 -100 mm of central capillary. For intermittent use only, not to be used as a lamp source. These are designed to operate 30 seconds ON~30 seconds OFF. Need Spectrum Tube Power Supply or an Induction Coil, sold separately.
To study Spectral Lines of Pure Elements / Gases. Gas under pressure in the tubes is used to produce a light for spectral analysis. Brightness of light depends on the nature of gas. Optimum intensity, line resolution and longer life. Metal ends with long life electrodes. About 26 cm long, with 90 -100 mm of central capillary. For intermittent use only, not to be used as a lamp source. These are designed to operate 30 seconds ON~30 seconds OFF. Need Spectrum Tube Power Supply or an Induction Coil, sold separately.

• 12" galvanized spike and washer
• For permanent light duty installation

Huge, metal construction. Baked shoving hammertone finish. Shows that pressure of a liquid depends on the depth/height. Measures 16 1/2" from bottom of base to top of cylinder

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.

• Hi Viz Lime Class 2 ANSI Approved
• Light weight, cool vest with reflective silver stripes

OccuLux Economy Single Band Vest features the lowest priced ANSI Class 2 high quality vest on the market. Bright, lightweight polyester material. 2" 3M Scotchlite reflective tape. One 360° horizontal stripe plus two vertical shoulder stripes. Hook and loop closure. Machine washable. Please note, vests are sized to fit over work clothes. For a more comfortable looser fit, we suggest you buy the next size up.

Polypropylene covered for retrieving stirring bars from most liquids. Powerful magnet at one end, ring handle at the other end. 300mm length.
Polypropylene covered for retrieving stirring bars from most liquids. Powerful magnet at one end, ring handle at the other end. 300mm length.

Compare and contrast the physical properties of streak and color in this 8 specimen mineral collection. Numbered specimens are approximately 1 x 1.5". Streak plate and key sheet included. Grades 5-12. Ages 10-18. Ages 10-18.
Compare and contrast the physical properties of streak and color in this 8 specimen mineral collection. Numbered specimens are approximately 1 x 1.5". Streak plate and key sheet included. Grades 5-12. Ages 10-18. Ages 10-18.

• Perfect for the classroom, gym or playground
• Made of styrene to last
• Easily fits our cone top sign holders
• Set of 5 - 1-Way (right & left), RR Xing, No parking, crosswalk.

Set of 5 - 1-Way (right & left), RR Xing, No parking, crosswalk. Perfect for the classroom, gym or playground. Made of styrene to last. Easily fits our cone top sign holders.

• Perfect for the classroom, gym or playground
• Made of styrene to last
• Easily fits our cone top sign holders
• Set of 3 signs - 3 Direction Arrows

Set of 3 signs - 3 Direction Arrows Perfect for the classroom, gym or playground. Made of styrene to last. Easily fits our cone top sign holders.

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.

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 stethoscopes have adjustable, chrome plated binaurals, and PVC Y-tubing. Good quality, and economical.

This expansion kit will allow teachers, parents, and students the opportunity to turn their original Teaching Tank into a small aquarium in about two minutes. With this wider tank, a whole new variety of experiments can now be completed.

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.

Grow a marvelous crystal garden with these fast-growing crystals. The centers of four flower cards bloom into delicate crystal structures in just a few hours. You can practically see the crystals form before your eyes on the branches of filter-paper trees. Learn about how and why crystals form, and experiment with different colored flowers.

It’s time to have some yummy gummy fun with this awesome bubble gum making kit! Mix up your gum base and then sweeten it with sugar. Next, use the three included flavors to make your gum more delicious than ever. Choose from watermelon, orange, and classic bubble gum — or try them all! Finally, cut it up, package it, and label it with stickers to give away as gifts. While you make these yummy treats, you’ll also learn about the scientific properties of elastic materials. Food ingredients included.

Ages: 6+
Experiments: 5
Piece Count: 10
Manual Pages: 16