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The Gömböc is the first known homogenous object with one stable and one unstable equilibrium point, including two equilibria altogether on a horizontal surface. It can be proven that no object with less than two equilibria exists. If placed on a horizontal surface in an arbitrary position, the Gömböc returns to the stable equilibrium point, similar to weeble toys. While the weebles rely on a weight in the bottom, the Gömböc consists of homogenous material with the shape itself accounting for the self-righting.