-Kids will squeal with delight watching these eerie orbs mysteriously alight. After placing your hands on both metal points at the same time, they use your body as a catalyst for energy to flow through and activate lights and sound. This fun and engaging science toy will open up your little one’s mind to the intersection of light, sound and conductivity and help them absorb complex ideas in kid-friendly ways. Also could be used for gifts,toys,games,toys and games,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.590795