Mixed Tabata: Pick 8 movements that can be done for 20 sec each without equipment and rotate through them, Tabata style.
Reverse Limbo:Front Squat with elbows over the PVC. For each round, raise the PVC a little higher to encourage chest and elbows up.
6 Front Squats
2 Handstand Walks Around A Box
6 Ring Rows
Bear Crawl Through Cones on Return to Squats