The Dive & Discover 3-in-1 Submarine Walker gives baby 3 ways to play and learn as they explore early walking, colors, shapes, & ocean sounds: Sit-In, Push Behind, and Floor Play. Features 3 adjustable heights to keep baby comfortable as they grow, up to 26 pounds. Older babies can use as a Push- Behind Walker or detach the electronic toy for Floor Play. A detachable, electronic toy station teaches color and shapes names and plays ocean sounds plus melodies. Features a periscope rattle and link loop to attach additional toys. Machine washable seat pad. Hard surfaces wipe clean. Requires 3 AA batteries (not included). Assembled dimensions: 19.5. x 28.6 x 25.4 inches. Supports fine motor skills development, cause-and-effect learning. Teaches in 4 languages: English, Spanish, French, & German. Unisex walker folds flat for easy storage and portability.