Robotime-ROKR Clock with mechanical gear in a beautiful owl shape and battery movement. It has a wind-up pendulum with wind-up timer. When the time is up, the timer bell will ring! We provide everything you need to build this 3D Mechanical Gears Wooden Puzzle Kit. Have fun assembling your own watch! BATTERY WATCH: A real watch powered by a precise quartz battery movement. BELL TIMER: A timer is powered by a spring and rings when the time is up (max: 30 minutes). REAL PENDULUM: A spring-driven pendulum with a precise lever escapement. ELEGANT LOOK: Attractive owl shape and beautiful dial with Roman numerals. As a home decor, it will be a pleasure for the eyes. PERFECT GIFT: Present for mechanical lovers or family and friends on any occasions like Birthday, Father's Day or Christmas. The fun of building kits and mechanical engineering brain teasers. *Notes: Due to customs policy, the wax may not be included in the package. Wax: you could use ordinary candles, crayons, beeswax, etc.