The Dream on Me Evolution Entertainment Hub 505, 2 in 1 Walker and Rock creates imagination for your baby as learning to walk is an exciting and fun time in your baby̥s life. The Evolution is an Entertainment Hub, a walker and easily converts to a rocker for additional fun. The entertainment tray lights up and is musical and can be removed to play with outside the Hub, exposing a snack tray for your active toddler. Features include 3 position height adjustments to grow with your toddler, removable, washable, high back chair pad and fabric footrest for when a stationary position is useful. The multi-directional wheels allow for smooth and effortless motion on floors as well as carpets. The Evolution folds easily for storage and/or travel. Baby must be able to sit unassisted in an upright position. Accommodates toddlers up to 25lbs but not to exceed 32ÌÒ in height. Baby must be able to sit unassisted in an upright position. Accommodates toddlers up to 25 lbs but not to exceed 32ÌÒ in height;Conforms to ASTM F977 Safety Standard;Requires 2 ̐ AA batteries not include;3 position height adjustment;easily transforms into a delightful rocker ;multi functional child̥s tray;folds in a snap for storage .