[Martin] of [Wintergatan] is on a quest to create the ultimate human-powered, modern marble music machine. His fearless mechanical exploration and engineering work, combined with considerable ...
Marble machines are the kind of useless mechanisms ... The spring is driven by a small electric motor via a couple of gears, and a wooden zig-zag path for the marbles lies next to the spring.
一些您可能无法访问的结果已被隐去。
显示无法访问的结果