The Fisher-Price Infant-to-Toddler Rocker seat grows with baby from a soothing rocker or stationary seat with an overhead toy bar for infants, to a toddler rocking chair. This baby seat also features calming vibrations, a deep, cozy seat, 2 recline positions, and a machine-washable seat pad covered in forest friends who got your baby’s back! Use from birth until child weighs 40 lb (18 kg).