> Check out marble machines on YouTube Great aren't they. So on my To Do list, I collected a few videos and hope to make something over the summer. Also in the works is a clock based on a bagatelle (possibly pinball) game, using steel bearings Kinda like this, one of his whimsical non-clock projects http://woodgears.ca/reader/walters/marble_machine.html Trouble is, once it's made where to put it ? They aren't especially quiet, not an artwork for the bedroom Joe --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .