Mixed Tabata: Pick 8 movements that can be done for 20 sec each without equipment and rotate through them, Tabata style.
6 Mountain Climbers
9 Sit Ups
1/2 Up the Cargo Net (Be willing to give mods for athletes that this is not a safe choice for ex: Hang from a rope for 5 seconds, Climb over a box etc. Reminding that use of the cargo net is based on safety considerations regarding following rules.)