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gravitrax simple tunnel
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This basic tunnel tile are a must-have extension to your marble runs;High-Speed Stability: The enclosed arch acts as a safety guard, preventing marbles from "jumping" the track during high-velocity runs or after steep drops. It keeps your fastest marbles locked into the circuit.Perfect Compatibility: Engineered to fit seamlessly into standard hexagonal base plates and work with original track connectors.Enclosed Action: The sleek arched tunnel provides a "hidden" path for marbles, perfect for creating clean-looking tracks or adding surprise elements to your run.Smooth Interior: Designed with a refined internal path to ensure marbles maintain their momentum without getting stuck or slowing down.
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