Electric Plane LauncherExperiment with unique paper plane designs as you assemble this high flying 4M Electric Plane Launcher. You'll discover science in action as the spinning motors and pulley wheels launch your planes at up to 40km h! Once you've assembled your launcher, switch it on, place your plane on the holder, and slowly push it forward into the pulleys. The energy stored within the wheels of your launcher will transfer to your plane and throw it out at