Answer:
A locked sphere without hinges or key. Break me open and golden treasures you'll see
Hands she has but does not hold, teeth she has but does not bite, feet she has but they are cold, eyes she has but without sight. Who is she?
Material for making balls and men that only shows up at certain times of the year.
If four people can repair four bicycles in four hours, how many bicycles can eight people repair in eight hours?
What is yours but only used by others?
What did the piece of wood say when he saw the screwdriver and screws approaching?