-At first glance, it’s a humble piece of acrylic, but this prism will surely surprise your aspiring scientist with its light-bending ability and multicolored optical show. This fun and engaging science toy will open up your little one’s mind to the idea of light waves and refraction and help them absorb complex concepts in kid-friendly ways. Also could be used for gifts,toys,games,toys and games,outdoor toys,outdoor games,outdoor play,kids,for kids,kids toys,kids activities,stem toys,stem kits,steam kits,steam toys,science toys,building toys,green toys. By Cost Plus World Market.590466