Details: Fitness dice feature four additional sides for more variety and more fun. Set includes two 7 inch high foam dice. One die features numbers 2 to 20, indicating how many Repetitions to do. The other dice denotes the exercises (arm circle, crab kick, Bicycle, toe touch, toe touch standing, jumping jacks, body fold, sit up, hop on one foot and push-ups). made with a Gator skin-style soft core and durable outer skin.