Ball shooting Slingshot Crossbow Pistol 2

A 20mm steel ball shooter. Launches a 20mm steel ball a fairly long distance. It has a 30cm long split barrel which fully guides the steel ball throuhgh it s acceleration. The firing mechanism is again consisting of thera tube blue, some string and 2 plastic pulleys from the hardware store. The trigger mechanism is a simple one piece hook trigger. The steel ball is held from rolling out by a small neodyme magnet that is inbeded in the lower part of the barrel. All one can say about this awesome weapon i