Clock making is a snap using this movement kit! Add numbers and your customized clock face for a one-of-a-kind time piece.Details: Black clock hands Fits 3/8" (0.9 cm) thick clock face 8 pieces Battery-operated clock movement Includes instruction sheet Requires one AA battery (not included) Contents: 3/8" (0.9 cm) quartz clock movement mechanism Rubber washer Brass washer Hex nut Open nut Hour hand Minute hand Second hand