David Mechanical ClockThe "David" Wooden Gear Clock is an homage to the clock makers of years past. The timepiece is powered by a falling counterweight it and measures the minutes with a gently swaying pendulum. No batteries are required. This kit includes over 100 parts precision cut from select birch plywood and clear poplar hardwood. It features 12 bearings, carbon fibre axles, and comprehensive instructions. As a precision instrument, assembling this kit requires