Fun, safe, chewable and sensory, our Jellystone Colour Wheel can help kids stimulate their senses with fun, interlocking, silicone segments that piece together in any combination. The Colour Wheel can help kids stimulate their senses and develop skills including: Hand eye coordination Recongising numbers, counting and order Learning colours, learning fruits Fine and gross motor skills Cognition and communication Creative thinking Problem solving All of our products are BPA, Phthalate, PVC, cadmium and lead free.