Stunt Stand for Flyer Training has adjustable inserts for difficulty & to target areas for improvement in your flyer training. Perfect Your Form - Practice perfect foot placement & body positioning for flawless stunts. 3 Pieces: Base with Block + 2 Adjustable Insert Blocks Versatility / Challenge / Advance Your Skills Customize to Fit Your Needs Improve your Cheer Stunting Skills Great for Cheerleaders of All Levels Easy to Transport & Store Perfect for Practicing at Home