This walker is able to exercise your baby's hearing, sense of touch, child's cognition of different shapes, and learn to walk scientifically. The walker offers two ways to play: push it along the floor + sit and play. Adjustable screw enables you to adjust its speed in accordance with the pace of the baby learning to walk, so the baby can learn to walk in a more safe and scientific way. Triangle solid structure, the walker can assist the baby to maintain the balance of the body so as to form the correct walking posture. Special made rubber rear-wheel, the friction is greatly increased, non slip. There are non slip textures on the arm, your baby won't fall down when grasping it. The Musical Walker material non-toxic and eco-friendly.