Detalles, Ficción y Perpetual Marble Machine Kinetic
"I bought this for my wife's birthday,she loves marbles and we look at the videos on U-Tube with the marble machines. This is a perfect miniature replica of these machines well suited for a table top and very high quality construction, highly recommend it." Marble Machine "Duality" - HandmadeIn May 2022, a video supposedly showing a marble machine