ROKR 3D Wooden Puzzles for Adults Huge Orrery Model – Toy Building Set Mechanical Puzzles 8 Orbiting Planets Unique…
$89.99
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ORBITING SOLAR SYSTEM: This 3D puzzle model kit shows the relative positions of solar system. When cranking the handle, you will see the Sun glowing and the 8 planets orbiting around it.
MECHANICAL GEARS: No glue needed, the 3D puzzle is jointed by mortise and tenon structure. The complex structure is exposed to you. You can see clearly how the gear trains work when planets move.
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