four doors/two covers can be opened, the fuel tank cover can be opened, the main/passenger seat parts can be moved forward/rear, the front center armrest cover can be opened, the main / The sun visor of the passenger seat can be opened, the backrest of the rear seat can be folded forward, the engine trim panel and the trunk floor trim panel can be removed, the four wheels have "shock absorber" travel, the steering wheel is steered with the front wheel set, The sunroof piece (front) can be slid open, and the exterior mirror pieces on both sides can be retracted. In addition, the four hubs can be removed and replaced.