Professional puppeteers hang their puppets upside down from a ring on the playboard shelf inside the puppet theater and slip the puppets on like gloves. […] When the puppet is removed, it is hung back in its place on the playboard.
Source: wiktionary
Nothing moves on these playboards except the ball itself which rolls down the inclined playboard by gravitational pull.
Source: wiktionary
Playing pinball requires total concentration, the right combination of skill and chance, a mastery of indeterminacy as the ball moves across the playboard and interacts with bumpers and cushions.
Source: wiktionary