What are wheels in Freak the Mighty?

Wheels are a pair of customized wheelchairs used by Max and Kevin, the two main characters in Freak the Mighty. The wheelchairs were designed by Kevin, who is a mechanical genius. They feature a number of special features, including a wheelchair-mounted speaker system, a wheelchair-mounted computer, and a wheelchair-mounted umbrella. The wheelchairs allow Max and Kevin to move around freely and easily, and they also serve as a symbol of their friendship and cooperation.