Rhythm Clocks "Timecracker Cosmos" Magic Motion Clock Enjoy the magic of the motion of this masterpiece showcasing the planet earth as it splits in two to reveal the splendor of musical notes and a multitude of stars all while the rotating pendulum that is encrusted in multiple genuine Swarovski crystals spins On the hour, the dial opens up into 2 sections revealing music notes, and multiple small stars surrounding by a larger star in the center all while turning in a circular motion Along with the rotating dial, on the hour this clock also coordinates this movement with a selection of one of 30 melodies including 12 popular melodies, 12 classic melodies and 6 Christmas songs Optional volume control, On/Off switch and display button lets you silence your clock on demand, while it still keeps perfect time Clock measures 18.5 high by 15.2 wide by 3.8 deep and operates on two D batteries that are included to help keep the clocks precision Quartz movement