Suitable for 3 ~6 years old. For kids below 3 years old, you are recommended to mount on the arm for safety. Portable Ultra Stable Stroller for Kids Comfortable Seat for baby to sit. The bike Body is sturdy and durable. Let your kids begin their journey to learn to stand. Help to practice babies’ balance sense. Now you can Walk your children along the garden or shopping preventing them from jumping up and down. Dimension : 72cm(L) x 42cm(W) x 82cm(H)