Educational 4-Piece Set: This colorful and fun foam climbing blocks set is made up of various shaped foam blocks that stimulate color recognition and capture your child's attention. The different modules can be freely combined into various shapes, sparking imagination and creativity, keeping kids active. It's great for home, early education centers, and other settings, and makes an ideal gift for babies. Soft and Resilient: The baby climbing blocks are equipped with soft PU fabric and filled with 25D high-density foam for excellent support, making them ideal for climbing or walking. This helps children develop body coordination and enhance motor skills. The foam absorbs impact, avoiding injury from falls. (Allow 48-72 hours after unpacking for full expansion.) NOTE: Need to put the foam into the leather case by yourself. Child Security First: Compliant with U.S