Making a toy car with paper fan, which helps it run upward to the wind.
How to make? Please review every step
Step 1: Modify Inertia Gearbox
Take out inertia gearbox, and add rubber band into it.
Step 2: Make Fan Stand
Use paper and pen to make fan stand.
At end of fan, use two paper circle to keep rubber band.
Step 3: Install to Car
Use steel wire to make base for fan.
Then, use tape to fix the fan.
Step 4: Test Run!
Use electric fan to make wind.
When wind rotate fan, it will helps car run toward to the electric fan.