Dive into adventure The 3 in 1 Adventure Course stimulates and entertains your baby throughout 3 key developmental milestones When sitting your baby gets tactile with features like the submarine Peek-A-Boo door the marine stretch wall ball drop periscope and multiple clicker knobs When crawling watch your baby explore the course discovering new ways to play And when standing through sounds and phrases from their new octopus friend your baby will be encouraged to play ball Product Features aa Three interchangeable play stations for multiple course combinations and easy storage aa Submarine play station Peek A Boo door with rotating wheel ball drop stretch wall clicker knobs and spinners aa Underwater play station Crawl-through canopy and repositionable rattle link toy aa Octopus play station Pull-me-up handles ball drop clickers spinners rewarding sounds and phrases when baby stands aa 20+ encouraging reward sounds babies will love aa Batteries 3AA required (not included) aa Ages 6-36 months