Bring learning to LIFE!
Bring learning to LIFE!
Our Smart Tubes fit a lot of fun and learning into a handy, portable, oversized test tube! Each jumbo tube contains everything needed to create a complete science experiment. All tubes come with a full-color insert with experiment ideas and an explanation of the science behind the fun.
| Instant Solid Powder   Item # ST-0018 This super-absorbent polymer does tons of amazing things! It can absorb 200-300 times its weight in tap water and hold it in a gooey gel! This powder is also known as slush powder, as it instantly turns a liquid into a solid. With certain ratios of powder and water, the gel becomes a solid! This Jumbo Test Tube comes complete with Instant Solid Powder, three food-coloring tablets, and lots of fun experiment and project ideas. $7.99 More Info |
Space Sand  Item # ST-0032 Space Sand is the sand that never gets wet! Create underwater sculptures and formations and watch in wonderment as the sand is completely dry when removed from the water. Space Sand, used in NASA Explorations classroom experiments, is the closest thing to sand from Mars. The Jumbo Test Tube contains three colors of Space Sand (red, white, and black), and lots of fun experiment and project ideas. $7.99 More Info |
Super Snow 
Item # ST-0031
Make snow instantly with this amazing Polymer. Add one tablespoon to 32 ounces of water
and stir! The more you stir, the
more it shines and sparkles! Super Snow expands to over 100x its size and lasts
for weeks without rewetting. Also, the snow can be
reused. One 60-gram bag makes over one
gallon of snow. The Jumbo Test Tube also contains lots of educational information and project and experiment ideas. $7.99
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GobbledyGoop 
Item # ST-0034
Make your own slime! This entertaining kit includes powder to make red, green, blue, yellow, orange, and clear-colored slime in any thickness. Just add water to create the most ooey, gooey slime imaginable.
GobbledyGoop is safe and non-toxic--the only slime that doesn't require Borax or other additional chemicals.
Safe for ages 5 and up! $7.99
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Vice Versa Balls 
Item # ST-0038
Discover the properties of rubber and elasticity with a famous magicians trick. Drop two black balls and watch as one bounces and one sticks to the floor. Freeze them and they do the opposite. The Jumbo Test Tube comes complete with Vice Versa Balls, a kit to make your own bouncing balls, and an informative leaflet with great experiment and project ideas! Vice Versa Balls are safe for ages 5 and up! $9.99
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Touch-N-Glow Ball  
Item # ST-0037
This Energy Ball may look like a simple ping-pong ball with two pieces of metal, but when both pieces of metal are touched simultaneously, the ball lights up and makes noise! Complete the circuit by yourself or with a group of people to experiment with the basic principles of conductivity. Safe for ages 5 and up! $7.99
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