What child, and those who are a child at heart, has not dreamed about flying? Now you can pretend with a beanie with a propellor blade.
The propellor was initially attached to a tiny motor, but the revolutions were so high that it would have been considered a lethal weapon if it had been worn with that configuration. Imagination fires the motor now.
Step 1: Pre-flight Check
You will need
-a hat pattern with six crown pieces
-a tape measure
-a propellor assembly