I did a BfL style aerobic workout with a step this morning:

Level (1 min) Activity
5 warm up
5 warm up
6 toe taps on step
7 basic step
8 alternating knee
9 run
6 toe taps on step
7 basic step
8 alternating side kick
9 run
6 toe taps on step
7 basic step
8 alternating hamstrings
9 run
6 toe taps on step
7 basic step
8 repeater - knee, side, hamstring
9 run
10 double-time toe tap (this kicked my butt!)
5 cool down
stretch

ahhhhhhhhhhh - done!