Meet the Grand Orrery: a handmade model of our solar system that depicts the correct relative orbital speed of each planet. It has the sun, 9 planets, including Pluto and 28 moons, made of beautiful semi-precious stone spheres. Grand Orrery runs on battery. It takes about 10 minutes to assemble.
More gadgets like this: here
This item is available on Etsy. The bad news? Something like this doesn’t come cheap.
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