Come and Check Our Promo Solutions.These fidget toys are made of high quality silicone material, safe and non-toxic. The sensory toys can effectively relieve anxiety and stress by pressing and the popping sound it makes.For children, it can cultivate mathematical ability and logical reasoning ability. It can also exercise children's mental arithmetic and planning skills. For the elderly, it can keep the brain active and prevent brain degeneration. Pls check inventory and detailed info with us before placing your orders.