Inspired by the steady, continuous movement of "flow," the Duncan Nova Flow Attached Juggling Skill Toy combines traditional juggling and yo-yo play for a whole new world of tricks. Weighted, Tethered Balls: Features two tethered balls and one sliding ball for endless trick possibilities. Customizable String Length: Easily adjust the string for personalized play. Silicone Design: Multi-faceted material ensures easy catching and smooth handling. Beginner to Advanced Ready: Perfectly weighted for all skill levels, from novice to pro. Protective Storage Case: Keeps your Nova Flow set safe and ready to go. Colours will vary.