Really special unique ideas please? : )?

Question

i am doing a competition in school, i want something to do that will be abit fun but something that will be different and that i can do a fair bit of work on. I can get nearly any equiptment via the school. It is a science competition. I will chose a best answer for te best idea. Please help me?!?! : )

Answer 1

take a normal bicycle, a car battery mounted to the frame, an electric motor and possibly a AC/DC converter (depending on the motor you have; now you have built your own electric bike

P. S. don't forget the speed control module attached to the handlebars