How much time did it take for your student's designs to travel? 

This portable device is perfect for your transportation unit! It measures time in one or two lanes for competitions. Use with dragsters, maglevs, any of Kidders car kits etc.  Accurate to 1/10000 of a second (x.xxx). Features 7-segment, very bright, red LED display. Includes DC adapter and (2) sets of 50 ft. sensor cables.