The Brixton Phoenix silicone rainbow stacker is the perfect Montessori inspired toy for your little one. 10 arches that stack on top of each other, they can be used to stack, make tunnels, bridges, ramps or even serve as a beautiful decoration in your home. * 100% Non toxic, BPA & phthalate free, food grade silicone. * Dish washer safe. * 6+ months.