Pathfinders STEM Kit - Leonardo da Vinci Helicopter Model | Science Kits for Kids Age 12-14 | FSC Wood, Brown, One Size, Model PFD-19Introducing the Da Vinci Aerial Screw Wooden Model Kit, a DIY educational toy that allows builders to create a functional replica of Leonardo Da Vincis visionary helicopter concept. This engaging kit provides a hands on exploration of aviation history, physics, and engineering, making it an ideal resource for both individual and group activities. The Da Vinci Aerial Screw model kit is crafted from high quality FSC natural untreated wood, ensuring