Tom pretended to like painting the wall, thereby ignoring the children. You used them to exchange things for the opportunity to paint the wall. Tom always exchanged 12 stones, a broken harmonica, and a translucent Blue glass, a wall cannon, a key that cannot open any lock, a piece of chalk, a wine bottle stopper, a little fairy soldier, a pair of tadpoles, six firecrackers, a one-eyed kitten, a Same doorknob, a dog laughing circle, but no dog, a razor blade, orange peel, and a broken window frame