Its a blast at Hamleys HQ so were having some serious fun with this Rocketball Factory! Create the balls & watch them rebound with blasts of energy! Discover bouncy ball-istics & learn about the science of elasticity, polymers, energy & motion. This fantastic set contains everything you need to make colourful bouncy balls & launch them into space. Set
Includes:: red, green & yellow water based moulding granules, 4 moulds, safely goggles, plastic tubes, wooden dowel & a colour instruction booklet.