Yes, that's really a quarter in the upper right corner! Mario Marchese, maker of the train set inside a record player case, emailed me about his latest project. This train set, the second smallest in the world, is pulled...

Mario Marchese's beautiful N-scale train set is built inside an old record player case. The arduino-controlled display includes lights, a whisle and a bridge that lifts up. You can view more pictures at the link.Link and...