Create Fun Interactive Spaces: The foam climbing blocks include various shape modules such as cubes, slide blocks, and a ball pit. Fill the ball pit with colorful plastic balls to expand your child's sensory world (Balls not included)! The different modules can be freely combined to create a personalized play area, sparking endless imagination and creativity. Its great for use at home, in early learning centers, or as an ideal gift for your little one. Soft and Resilient: The baby climbing blocks are equipped with ultra-soft velvet fabric and filled with 25D high-density foam for excellent support, making it ideal for babies to climb or walk on. This promotes body coordination, enhances motor skills, and helps absorb impact to avoid injuries from falls. (Allow 48-72 hours for full expansion after unpacking.) NOTE: Need to put the foam into the leather case by yourself. Child Security First: Compliant with U.S