Check out 11 Rollercoaster 3D Model Pack 3D model on CGTrader for $65. High-quality mesh by GQP.
BLEND (Blender, filesize: 755 MB), OBJ (OBJ, filesize: 60.9 MB), FBX (Autodesk FBX, filesize: 139 MB), GLTF (glTF, filesize: 147 MB), TEXTURES (Textures, filesize: 380 MB), DAE (Collada, filesize: 105 MB), ABC (Alembic, filesize: 13.8 MB), PLY (Ply, filesize: 15.6 MB)