9 months & up. Helps children take their first steps safely. Because of the ergonomic adjustment system, the toy offers 6 different positions to adapt to children's different physiques, allowing a natural and correct posture. Flashing lights and fun melodies accompany each step. Depending on the speed of walking, the lights come on progressively and the rhythm of the melody speeds up or slows down. Requires 2 x AA 1.5V batteries (not included)