This was a game I palyed when I was young! It was popular at birthday parties.
Button, button, who's got the button is a game of ingenuity where players form a circle with their hands out, palms together. One child, called the leader or 'it', takes an object such as a button and goes around the circle, putting their hands in everybody else's hands one by one. In one person's hands they drop the button, though they continue to put their hands in the others' so that no one knows where the button is except for the giver and receiver.
The leader, or all the children in the circle, says "Button, button, who's got the button?" and then each child in the circle guesses. The child guessing replies with their choice, e.g. "Billy has the button!"
Once the child with the button is finally guessed, that child is the one to distribute the button and start a new round