You will be able to create a cool tracked racer follow the step-by-step instructions with the 353 provided pieces. And the vehicle can be remote controlled that kids will get much racing fun time. And build your own toy. Help develop your kids senses & learning skills to promote your childs hand-eye coordination and problem-solving ability. And building is an awesome activity together with family or friends. NEW updated. Not only RC tracked racer, You also can build Tumbler Robot and Spin Car. You can disassemble and build the second model from scratch. More challenging and detailed builds.