⚠️ These items are also listed individually, but we will prioritize sales to those who purchase the set first. Thank you for your understanding. Kuno Boeki Shokai series: Propeller Airplane & Helicopter & Supercar 3-piece set. Ages 7 and up. Materials: Plywood and sandpaper. These are easy-to-assemble wooden construction kits. Multiple sets can be purchased together. Although these are new and unused, they have been stored at home for a while, so there is some inevitable aging of the packaging. We appreciate your understanding before considering a purchase. Thank you for looking! w