Divide into 2 groups.
In order:
3 calorie bike
4 box overs (2 feet onto the box and two feet off the other side=1rep)
high plank hold (1 foot off the ground if too easy)

*next person in line starts once person ahead of them is done the bike
*person at plank will hold until 2 of his/her teammates are also in plank then returns to end of line

12 min circuit
15 min