I saw the wooden roller chain in a video by michael schultheiss it was a lot of work to make this chain but it runs without problems.
													
																	Complex marble machine. 
									
	
		
	
																	For those who haven t seen the wintergarten marble machine it s a piano organ sized contraption made out of birch plywood some lego technic sets and 2 000 marbles. 
																	When molin winds a hand crank. 
																	The flip flop from your marble machines inspired me to build this machine. 
																	Check out these amazing useless yet fun wood marble machines videos. 
															
													
									
	
		
	
																	A version where marbles compete in a race to win is a called a marble race. 
																	A rube goldberg machine named after american cartoonist rube goldberg is a machine intentionally designed to perform a simple task in an indirect and overly complicated way usually these machines consist of a series of simple unrelated devices. 
																	Machines that do nothing yet are so cool and awesome. 
																	Marble toy of gears here is a pretty result from anna with thanks. 
															
													
									
	
		
	
																	Get the audio track marble machine by wintergatan. 
																	Remember martin molin s marble machine x the mechanical musical rube goldberg machine that uses some 3 000 components and a hand turned crank to drop marbles in sequences onto acoustic and. 
																	The marble often bounced out of the machine so i added catch nets made of dowels. 
																	Marble machine regenschiff rain ship 2009.