Fat Blasting Cardio is a fun mix of calorie-burning cardio using The FIRM Box®. Master instructor Lisa Kay introduces fun new FIRM® moves using the The FIRM Box® to shape and trim your body from all angles for a real body blast! Lisa Kay leads you through The FIRM Box® aerobics an all-new incline aerobics. This workout is just the cardio pump your heart and metabolism need! Approx. 35 minutes. Standard Full Frame. Region Code 0. Not rated.