The Pace Tracer 1 Interactive is an interactive motion detector that works in the browser. It must be used with a print-out of an ArUco marker. Students are provided a position-time graph and must walk in a manner so as to match the graph. There are 15 different graphs to match, each representing a different motion. As students walk, their position is represented on the graph. If they match the graph with 80% accuracy or above, they receive the trophy for that graph