One seat, three amazing uses! The Baby Einstein SuperSeat Touch of Tunes 3-in-1 Seat gives baby a secure place to play, snack, and dine as they grow from ages 6 months to 3 years. 3 modes of use: First, use as an activity seat to engage baby with multisensory toys and detachable Cal the Caterpillar musical piano. Baby can enjoy melodies and learn colors and numbers in 4 languages as they explore music and sounds. Second, use as a supportive floor seat for smaller infants as they learn to sit upright. When baby needs a snack, simply rotate the tray to place the 2 built-in snack and cup compartments within babys reach. Third, give toddler a seat at the table by transforming the seat into a booster! Simply remove the toy bar and snack tray, then use the included straps to secure the seat to most dining chairs. Seat features a removable and easy-to-clean EVA foam insert. Snack tray is BPA-free and dishwasher safe. Maximum weight for use: 33 pounds. Dimensions: 22.3 X 22.3 X 21.4 inches. Piano requires 3 AA batteries (not included) and wipes clean.