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Design the perfect roller coaster route in this fun 3D game! Guide passengers through the green circles while avoiding the red ones. Plan a thrilling and safe ride, considering speed, curves, and safety features. Are you ready to be the ultimate roller coaster designer? Tap or click to start designing your amazing roller coaster journey now! roller coaster, 3D game, design game, 3D, action, kids, boys, fun, HTML5, H5, kids games, adventure, challenge, route planning, exciting, thrilling, safe, designer