DerbyStick 1 Lane with Physics and the Pinewood Derby DVD
The DerbyStick 1 Lane includes the DerbyStick, start switch w/ 40 foot cable, one stop sensor, and CD including USB drivers, User Manual, and Hyperterminal.
You must use this product with a computer to see the race results. Included is the terminal program "Hyperterminal" that you can install and run to see race results and reset the timer. You will need to provide a regular incandescent light source at the finish line (one "Soft White" 60W). Comes with a one year warranty.