This BRIO Builder Pull Back Motor Set is a 67-piece construction kit that brings fast, hands-on action to building play with a pull-back motor and large rubber wheels. This battery-free engineering toy includes a crank with wire, wooden and plastic building parts, tools, and an inspiration manual to spark open-ended creativity. This vehicle-building set supports fine motor skills, basic STEM learning, and problem-solving through imaginative machine and car designs. This premium construction and activity kit features durable components and easy assembly, perfect for playrooms, classrooms, or gift-giving.