The Safety 1st Sounds n Lights Discovery Walker is a wonderful interactive entertainment and learning center for your children. It has a variety of sound and light response toys. The activity trays swing open to reveal an extra snack tray and it can move easily from room to room with its sturdy wheels. This walker holds a child up to 30 pounds or 13.6 kilogram. Child must be taller than 32 inch or 81.3 cm. The child must be able to sit up unassisted.