September 4, 2013
Build a car that is powered by strain energy of a rubber band.
http://netapps.marshall.edu/lego/lessonplans/RubberBandCar.html
Make it long by using two black connector pins.
Do not get the beams out of being parallel or they will bind against the axle.
Place a rubberband around the front and around the axle of the back wheels.
Let it go.
How many feet?
