Having fresh replacement strings on hand is essential for the professional, serious, or even part-time yo-yo-er. The more skilled you become, and the more complex tricks you are able to perform, the quicker you wear out your strings. Replace them whenever they become worn, broken, or dirty. This official Duncan™ pack contains 5 genuine 100% cotton strings in the assorted colors of the rainbow: red, orange, yellow, green, and blue (only purple is missing)! Get one now so you never have to stop practicing!
A combination of three of our great discovery toys, all in one package!
This superb chemistry set features 350 mind-boggling experiments!
Build 20 different solar powered models with unique building pieces, controlled by an RC handset!
An unconventional ball-tossing, head-catching challenge for 2 players or teams!
This caffeine molecule mug makes an excellent gift!
This kit will get your paper plane ready for takeoff!