A few fitness exercises for kids products I can recommend:
Offseason Ski Program
Offseason Ski Program: Ski Exercise And Fitness Exercise For Downhill And Cross Country Skiers Of Any Age. 6-week Total Body Conditioning Program For Skiers Of Any Age And/or Ability Level.
Offseason Ski Program
Impact Fitness Inc.
Impact Fitness Started As A Passion Project To Educate The General Public How To Get Fit Without All The Gimmicks, Equipment, And Easy, Quick Fixes Which Don’t Really Work Or Last.
Impact Fitness Inc.