ZipString - The Original (Rock'it Red)The String is Flying! A ZipString is an incredible device that rapidly propels, a loop of string. When the strings momentum is balanced within the forces of gravity, lift, and drag, the string actually flies. Included with ZipString 3 String loops of different sizes and colors USB charging cable Instruction guide QR code to trick library Learn Tricks! Bow & Arrow The CorkScrew Zip Fish'n The Scribble Spray Switcheroo Gymnastics The Swirl Richard's