I have done something similar, in which kids would go back and forth from the end of the gym to each of the badminton court lines (there were 6 sets of lines they needed to touch). At each set of badminton lines, they would do a set number of burpees (sometimes 1 each, sometimes 2 each, sometimes increasing 1->6, sometimes decreasing 6->1, …
Then we’d do the same thing with push-ups, sit-ups, whatever else I could think of. They got very tired very quickly.