Growing water beads 250g

These beads are truly special—they grow when placed in water! They’re made from a molecule called sodium polyacrylate, which can bind with many water molecules. In fact, just one gram of the molecule can absorb 200-300 grams of water! Explore what happens and feel the difference between the beads before and after they’ve been in water. The beads can also be used as a small magnifying glass and for exploring seed germination.

Age: From 5 years