Educational 5-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. CPSIA standards, the toddler foam climbing blocks are made with secure materials, low VOC, and do not release harmful chemicals, ensuring your child's security and health while playing. The foam blocks have no sharp edges and feature hidden zippers to secure delicate skin. Secure Velcro Connections: Easily switch between different configurations using the built-in Velcro on the climbing blocks. The bottom features anti-slip designs to keep the modules stable and secure, allowing active children to jump and roll without worry. Easy to Clean and Store: The soft, breathable PU fabric provides excellent waterproof and stain-resistant properties. Simply wipe away dust and stains with a damp cloth. The lightweight design of the soft climbing blocks allows the blocks to be stacked and stored away, saving space when not in use.