Looking for a challenging Kettlebell workout that really works? Tired of doing the same old routine?We designed Kettlebell Stack 52 for you. We put the most effective Kettlebell exercises on playing cards. Deal yourself a workout or play a game like Fit Poker or Cheat with your friends and have the time of your life getting in the best shape of your life!· Fit Poker: Bet and perform exercises instead of chips!· Cheat: Get caught lying, and you do the exercises on the cards you pick up!About Stack 52 and founder, Sergeant VolkinOur mission is to make exercise fun and accessible for everyone.Sergeant Volkin has a master's degree in science, has authored 5 books, and has over 20 years of fitness experience. The US Army awarded Sergeant Volkin a medal for the fitness programs he designed for the troops. Stack 52 exercise games have been sold in over 24 countries.What's in the Box:Kettlebell Stack 52 contains 55 cards. There are 8 different colors with each color representing the dominate muscle group worked. The Kettlebell Duo Pack contains 110 cards. · 11 Leg exercises (Duo Pack: 19) · 4 Arm exercises (Duo Pack: 9)· 5 Chest exercises (Duo Pack: 8)· 5 Shoulder exercise (Duo Pack: 7)· 4 Back exercises (Duo Pack: 4)· 9 Abdominal/Core exercises (Duo Pack: 17)· 5 Cardio exercises (Duo Pack: 19)· 9 Full body compound exercises (Duo Pack: 21)· 4 Instructional CardsRecommended Equipment (Not Included):1 light kettlebell: About 20 lbs for men, 12 lbs for women1 medium kettlebell: About 40 lbs for men, 25 lbs for women1 heavy kettlebell: About 60 lbs for men, 40 lbs for women