Check the listing for details. FITDECK CORE BLAST Exercise Training Playing Cards HIIT Abs 6 PACK Athlete 01335. Condition: New. Listed at 19.99 USD. Shuffle the cards and have a new workout each time! This motivating deck of playing cards, for beginners through advanced, contains illustrations and instructions describing different core exercises, stretches, and movements. Comes in plastic cardholder. 26 cards. Equipment: None Fitness Levels: Intermediate to Advanced Targeted Users: Men & Women (15-50 yrs) Mix & Match with: Kettlebell, TRX, Pull Up Description: Blast your abs, obliques, and lower back. All abs — all the time! Best for intermediate to advanced users who want 6-pack abs. Ideal for athletes whose sport demands a strong and flexible core. Use as a stand-alone workout or with any other FitDeck title. This listing is for one set of FitDeck Core Blast.