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This is the space-age marble run. Plastic tracks are connected and hang in mid-air. The Skyrail Suspension sets allow you to build a long track suspended from a single tower by wires. |
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This is a system of three types of interlocking plastic blocks combine to form a path for rolling metal spheres. The translucent cubes can slide into one another at their sides or stack, forming a connection strong enough to build upward and outward with some serious cantilevering! |
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