The product is a vintage COMET BELOND RACE CAR TETHER ENGINE & WHEEL, which is likely a collectible item for enthusiasts of tether cars. This particular model features the COMET BELOND ENGINE, OK .074 known for its performance and design in the world of engine race cars. The engine has a Pop & Compression, the needle valve is free & turns. This vintage piece may be a sought-after item for collectors or hobbyists interested in completing the classic tether car designs.