Hudson Baby Infant and Toddler Silicone Stacking Toy - Hamburger is a fun and colorful toy designed for babies and toddlers. Made from high-quality, BPA-free, PVC-free, and phthalate-free silicone, this stacking toy is safe for your little one to play with. It is designed to promote problem-solving skills, while also being developmentally appropriate for ages 6 months and up. The hamburger stacking toy comes in one size, making it the perfect size for little hands to grasp and stack.