Bring learning to LIFE! Bring learning to LIFE!A lot of learning and fun is packed into these little Bags of Knowledge. Each one has a full color insert with experiment ideas, what should happen, and an explanation of the science behind them! In addition to the stable of polymers you have grown accustomed to including Space Sand, GobbledyGoop, JellyStones, Super Snow, and Instant Solid Powder, we are pleased to introduce several exciting additions to the line. New styles include the Everlasting Evergreen, the Simple Crystal, Silly Squares, Slippery Spheres, the Ancient Lotus Plant and more!
Slippery Spheres Item # BK-B367 Slippery Spheres are fun to throw, and they slip, slide, bounce and explode! Simply fill a cup or bowl with water and add Slippery Spheres. In less than one day, Slippery Spheres will expand to over 200 times their size as they grow to the size of a marble! $4.99 More Info |
Silly Squares Item # BK-W368 Silly Squares provide hours of silly, wiggly, jiggly, educational fun! Place Silly Squares in a cup or bowl of water and watch in amazement as they grow to epic proportions. Silly Squares will grow 100’s of times their size! $4.99 More Info |
Simple Crystal Item # BK-C371 Simply place this unassuming stone in a glass of vinegar and watch beautiful crystals appear! Crystals are formed by a completely safe reaction as the vinegar evaporates. This naturally-occurring mineral will be sure to delight and amaze. $4.99 More Info |
| Everlasting Evergreen  Item # BK-P369 This one-of-a-kind marvel has lived on the Earth for over 290 million years and has the ability to come back to life over and over again for hundreds of years! Place this seemingly dead ball of foilage in water and within hours it transforms into a vibrant green evergreen! $4.99 More Info |
Ancient Lotus Plant  Item # BK-L370 Grow Your Own Lily Pad features plants that sprout and grow in water! This amazing lily pad can grow pads up to two feet across! Just drop the seeds in a bowl of water and watch in awe as they sprout in less than two weeks! $4.99 More Info |
Neon Space Sand Item # BK-N362 Space Sand truly is the closest thing to soil from Mars that most of us will ever experience! This unbelievable sand will not get wet and can be formed into shapes under water. Remove it from water and watch in amazement as it miraculously turns to completely dry sand! $4.99 More Info |
Space Sand Item # BK-A361 Space Sand truly is the closest thing to soil from Mars that most of us will ever experience! This unbelievable sand will not get wet and can be formed into shapes under water. Remove it from water and watch in amazement as it miraculously turns to completely dry sand! $4.99 More Info |
GobbledyGoop Item # BK-G364 Make your own slime with the entertaining kit! This kit even contains a food coloring tablet to create slime in a different color in any thickness. Just add water to create the most ooey, gooey slime imaginable. GobbledyGoop is safe and non-toxic. $4.99 More Info |
JellyStones Item # BK-J363 Watch as these amazing polymers absorb 200 times their volume of water! JellyStones change from small hard pebbles into large squishy shapes in a matter of minutes. They can be used over and over again for hours of entertainment. $4.99 More Info |
| Instant Solid Powder  Item # BK-I365 This super-absorbent polymer does tons of amazing things! It can absorb 200 to 300 times its weight in tap water (even more if the water is distilled) and hold it in a gooey gel! This powder is also known as slush powder as it instantly turns a liquid into a solid. $4.99 More Info |
Super Snow
Item # BK-U366 Simply stir the powder into water and watch it turn into fluffy, sparking shiny snow! Super Snow lasts for weeks, is totally reusable, and looks like real snow! It has countless applications and has been used in movie sets, in indoor snowboarding parks, and more! $4.99 More Info |