Slide, Crawl and Play! Kids will be encouraged to climb, explore and learn as they play on this colorful 6 piece set. Tunnels have higher-density foam to keep kids safe while they’re exploring! Soft, sturdy, polyurethane foam shapes are covered in reinforced, phthalate-free vinyl to create a comfy and stimulating learning environment. Encourages climbing, crawling, social interaction and develops gross motor skills.