The First Years Kickin Coaster is 3 seats in 1! The Kickin Coaster is a soothing infant seat with removable, soft head support and soothing music, vibration, and twinkling lights for when baby needs to rest. At meal time, the seat is perfect for feeding, just engage the locking clip! But when it's time for baby to play, the Kickin Coaster has baby-activated glide to help develop core and leg muscles while baby has fun! The seat features kick-activated sound and light rewards! The Kickin Coaster promotes healthy development with kick and glide action and is ideal for newborns and toddlers. Features include: 8 adjustable positions, twinkle lights for visual tracking, soothing vibrations, infant head support, locking clip for stationary feeding, multi-level volume control, removable teether rattle for infant play, 2 types of music: soothing and playful, 6 songs in all!