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..
eBay