Full Kit containing the Time Speed and Acceleration (TSA) timing module and a suite of accessories. This kit is the ideal tool for all lab measurements in kinematics. Supplied with the listed accessories students can investigate reaction times acceleration speed energy conversions 'g' by freefall and speed of sound. Supplied with teaching notes.TSA Unit with Plug Top Power SupplyTSA Sound Switches (Pair)TSA Foot Switch for Reaction TimesTSA Reaction Timer SwitchesTSA Light BridgeTSA Light Gates ReceiverTSA Light Gates SourceEnergy Track