Knee Coasters are delivered fully assembled.  Minor adjustments should be made to the handle bars and to the knee pad to ensure your uninjured foot is flat on the ground and hips are level, refer to manual for detailed instructions.  The adult Roscoe Knee Walker model and the Knee Rover Jr. Pediatric Knee Walker.fit fully assembled into most cars, trucks and SUV's. Watch the video below to see how to fold down steering column for small vehicles.