As with everything were trying to keep it to a minimum, hopefully less than $100. Also in the main message, the cars are released with a lever and not a level.
I am looking for an easy circuit to build to monitor a CubKar race. The Cubs (Boy Scouts) build a small car out of wood (8"x2"). The cars are raced, four at a time, down a track that starts off with a 4 foot sloped section and then a long flat sections. A level is used to release all...
