Only 6 left on stock - act fast
You no longer need to go to the beach when your children want to build sand castles with the Sensational Sands of STEM Builders kit. Here one can enjoy endless sand castle (and other structures) creation with endless possibilities. This special type of sand is specially designed to be crafted into structures in a clumping and non-messy manner. Your kids will love just how malleable this substance is.