Our stacking towers are safe & non-toxic for your child to chew & play on. Our purpose designed stacker doubles as a toy & a teether. It allows your child to explore & wonder through free play. Children will develop skills including hand eye coordination, sensory skills, creative thinking, fine & gross motor development, problem solving just to name a few. Made from 100% food grade BPA free silicone, PVC free, Phthalate free, Latex free, FDA approved, AZ/NZS 8124. Durable educational & fun.