Paper Models That Move: 14 Ingenious Automata, and More (Dover Origami Papercraft) / Walter Ruffler

Enter the world of animated paper engineering with these 14 whimsical projects for making automata out of cardstock. Well-illustrated directions explain the use of levers, gears, cranks, and other devices and precise cut-and-assemble components put these ingenious paper "whirligigs" within reach of papercrafters of modest skill and experience.