School House Clock Plan #399, size is 12" by 20" tall. A fine clock plan for the intermediate woodworker. Optional trim pack has quartz pendulum unit, clock dial, hinges and knob for door. Available with Westminster Chimes which play every 1/4 hour and a full hour count or you may order a non-chime, time only unit. Plan is not included in trim packs. Remember, Plans are NOT included in trim pack. Trim pack does NOT include lumber to make project.