A vibrant stack-and-discover experience! The top of each cup features a squishy silicone bubble embossed with a unique texture pattern. Little fingers will love to touch, push, and pop them again and again. Meanwhile, its unique stackability engages curious and growing minds while providing the hours of fun parents have come to expect from the entire line of Dimpl toys. Tactile fascination stacks up with Dimpl Stack! Recommended for 6 Months and up!