Super Water Absorber Kit - Science & Nature for Ages 8 to 12 - Fat Brain Toys

With this fun and fascinating kit, kids will learn all about the science of absorption as they make super polymer monsters that grow hundreds of times their size, create gels that disappear and re-appear, and make matter change states! Toys. Science & Nature. STEM Toys. Teaching Toys & Tools. Size: Unisex US Condition: New With Box