Hitachi Zosen hydrofoil PT-20 (Supramar). This is an electric boat model released during the Showa era. It's a rare item, modeled after the actual Hitachi Zosen hydrofoil, and not widely available now. Body size: Approximately 320mm Comes with the original box and instruction manual. Condition: * The outer box shows signs of aging, including damage, corner wear, and repairs. * The body and parts are unassembled. * Parts such as the motor are included in unopened bags. * Due to long-term storage, metal parts show signs of aging. Operation (Important): We have not tested for power or operation. Although it includes unused and unopened parts, this is being sold as-is. Please purchase only if you are able to assemble, adjust, and repair it, or if you are interested in it as a collection of Showa-era toys and models. Thank you for viewing.