Create clocks for every room in your home, as gifts for family and friends, or as fun projects everyone will enjoy. 3/4" 3pc- Includes 1 quartz clock movement, which requires 1 AA battery, not included, gold-self adhesive numbers and green and gold clock hands. Movement has built in hanger. These movements are suitable for creation, repair or restoration of clocks of .75" thickness. Instructions on back of package.