The Pathfinders Leonardo da Vinci Helicopter "Aerial Screw" Wood Model Kit is a unique and educational toy based on the famous design by Leonardo da Vinci. Made of brown wood and featuring a 1:5 scale, this unassembled kit allows for hands-on assembly and learning about aircraft history. With a vintage-inspired Renaissance theme, this kit is perfect for young adventurers aged 9 and above who enjoy building and exploring new ideas. The brand Pathfinders ensures quality craftsmanship and attention to detail in this creative and engaging model kit. Complete, box opened.