$15.15 (You Save 5%) Gets kids of all ages exercising to the "oldies but goodies" of the 50’s and 60’s. "Rock Around the Clock," "At the Hop," "La Bamba," "The Twist," "Surfin’ USA," "The Book of Love," "Hound Dog," "Fun, Fun, Fun" and more. Guide with lyrics and instructions. (Fitness and Dancing, Exercises)