For offer, our “Classic” Crank model orrery with the following features: You can view video of orrery here. The Sun and nine planets (and 28 moons) are depicted above the mechanism in semi-precious stone. The planets orbit in correct relative motion (Mercury orbits 1028 times for every orbit of Pluto). Earth’s Moon orbits correctly per yearly orbit of the Earth. 12 sided solid oak framework atop four brass legs. Engraved brass calendar/horizon ring rests upon 12 brass pedestal spindles. Ring is 12 diameter. Within the ring the orrery mechanism sits, exposed to view, on a solid brass platen. Gears are solid brass. Mechanism operated by means of a hand crank at the side of the unit (unit is not electric). (NOTE: Moons are always stone). Solar system spans 22 diameter. Assembled unit is 12 high. Base is 12 diameter. This handcrafted orrery is made by us. All international orders are securely double boxed. You can view video of orrery here. The item “Orrery Classic handcrank solar system 9 planets in beautiful stone or brass” is in sale since Monday, September 11, 2017. This item is in the category “Collectibles\Science & Medicine (1930-Now)\Scientific Instruments\Other Vintage Science Equip”. The seller is “orreryart” and is located in Boulder, Colorado. This item can be shipped worldwide.