Safety 1st Sounds "n Lights Activity Walker: * Age Range: 4 months until baby is walking * Features 12 songs, sounds and lights * Folding frame for easy storage and portability * Removable activity tray * 3-height seat adjustment * Machine-washable, padded seat * Grip strips reduce movement on uneven surfaces * Safety 1st baby walker requires asembly * Maximum weight limit: 30 lbs. * Safety 1st baby walker requires batteries (included)