ROKR Clock Kit

Note: Click on images to enlarge. This mostly-wood pendulum clock kit runs with a wind-up spring. Building this fascinating kit was fun, and it demonstrated the magic of how pendulum clocks work. The Completed Clock The kit came complete with all parts. The wood pieces pop out from pre-laser-etched sheets. Typical parts for one of the steps Typical subassembly A closeup view The hour hand The minute hand The pendulum mechanism The tick sound duration was measured to be 1.029 seconds A video of the clock in action! (for best results, view in Full Screen mode)