Designed to work the upper body and core. It is basically a rock wall on the floor, consisting of 3 sets of colorful hands winding across the mat, each representing a different degree of difficulty. Students start at one end of the mat and work their way across using one of the 10 challenges such as crossing sideways in a push- up position. Makes an ideal fitness station, warm-up area, or obstacle course addition10'L x 30"W - Activity guide included.