Hand crafted by local artist, David Bevins. Each aircraft uses 17 clean cans and are made with rivets and glue to withstand up to 30 MPH wind gusts. Comes in large or small sizes. Propellor catches the wind and spins. Has a hook to gang from a tree branch or hook. Will custom build if you have specific cams you want to use. Message us if your looking for a specific brand.