It was throught varies trials and errors that we managed to come out a rubberband powered paper butterfly.
See how the rubber band powered butterfly flaps its wings and flew from the following video :-
By winding the paper wings cut-out from the print-out in the instructions, it will fly like a real butterfly. Surprise your friends by placing the paper buttefly in greeting card, books, CD case etc.
*** How to make your flying paper butterfly Instruction guides....
Checkout : http://web.singnet.com.sg/~csqf2828/