How old can a child wind up his toys?

Children can wind their toys. There are many kinds of clockwork toys, mainly cars and animals, which are suitable for children aged 3 to 12. The benefits of clockwork toys stimulate the desire to explore the relationship between things. One month to one year old: sports ability develops rapidly. As soon as a child is born, he can only lie in bed. Until he was four months old, all he could do was stretch his legs and wave.