Features: 1.Exquisite model ornaments: The aircraft five-cylinder radial engine model kit, with high-quality metal parts, brings you all the knowledge about the wonderful world of mechanical engineering in an immersive environment. You will embark on a great project to build your own aircraft engine,...

Specifications:.Material: Brass+ Stainless Steel + Bamboo.Engine Size: 230 X 100 X 180mm.Wooden base size: 250 X 120 X 30mm.Displacement: 12CC.Bore: 13mm.Stroke: 20mm.Igniter power supply voltage: 4.5 V (using 3 AA batteries, excluding batteries).Starting method: external force (electric drill) or manual.Suitable age: 14 years old...