5 HECHOS FáCIL SOBRE PERPETUAL MARBLE MACHINE KINETIC DESCRITOS

A perpetual motion machine of the first kind produces work without the input of energy. It thus violates the first law of thermodynamics: the law of conservation of energy."So cute! I love this as my new fidget toy" Kinetic sculpture Wooden sailboat nautical art automaton sculpture desk art gift for bossTriunfador a perpetual motion machine Perro o