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Rollercoaster Ranking – GCI | Heartline Coaster
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Compact GCI wooden coaster : r/PlanetCoaster
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GCI Coaster Concept Model at IAAPA - Great Coasters International - YouTube
The Layout is finished for the next coaster for my park. This is a GCI Wooden Coaster and is also my first true wooden coaster i've made. hope you all like the
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How to make a Great Coaster - Q&A with Adam House of Great Coasters International, Inc. - Coaster101