when the pedal is pressed the lid opens, releasing a ball that travels down a spiral set of xylophone
steps around the bin. each time the ball hits a step, a note is played. the xylophone steps are cut
in increasing lengths so that the note gets lower as the ball travels to the bottom. from 'xylophone bin' by dominic wilcox
steps around the bin. each time the ball hits a step, a note is played. the xylophone steps are cut
in increasing lengths so that the note gets lower as the ball travels to the bottom. from 'xylophone bin' by dominic wilcox
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