The Gym Piano Happy 2in1 by Bebe Stars grows with your child, from infancy to toddlerhood, as with a single movement it can be transformed into a guide for their first steps! – Includes a piano with sounds, songs and lights, which will entertain and keep your child occupied for hours. – It has 4 toys – rattles, 1 large mirror and 2 counters. – Music volume adjustment. – It consists of a soft and comfortable mattress with a happy illustration to keep the baby occupied when they are lying with face down. – The piano can be used with feet when the child is lying down or with hands when the child is sitting. – The piano is removable and can also be used in the crib for lullabies. – Easy to transport as bases & toys are removed in seconds. – When turning it into a guide for its first steps it has a speed adjustment on the wheels. – The mattress pad is removable and washable. – Safe and easy to use for babies 0+ months. Batteries: 3×1.5 volt AA (Not included)