It starts out as an infant seat or rocker with a low-profile frame, very appropriate for newborns. Then, as your child grows, you can easily convert this portable rocker to an infant seat to add interactive toy play. Then, make it a toddler rocker. Flip out the kickstand to convert it from a rocker to a stationary seat for older babies or toddlers. The Newborn-to-Toddler Portable Rocker folds easily and has a built-in handle, so it can go wherever you and baby do! Requires 1 “D” alkaline battery (not included). Rocker includes 2 button-cell batteries for dog toy. Features: Developmental Guidelines: Developmental Guidelines: Use the portable rocker’s upright position only when your child has developed enough upper body control to sit without leaning forward. Maximun Weight: 40 lbs (18 kg) CAUTION: This package contains small parts which are for adult assembly only. Instruction Manual. It is made of . It is . Its style is . Its comes in different color like .