6 months and up. These Soft Stack Baby Bricks are the perfect way to introduce infants to blocks. Their soft outer material and their firm rubber construction make them both pleasant to hold and able to withstand the rigors of infantile sensory exploration. Infants can interact with these blocks in all kinds of ways, and the blocks' easy connectivity means that they may even build something! Includes a zip bag for easy clean up and storage. Set includes 32 blocks.