Yo-yo links and information.
Shares videos and photos of tricks and events.
Information, charts, illustrations and videos.
Features author's biography, his tricks, chat, reviews and videos.
Includes message board, chat room, directory of clubs organized by location, and a directory of links.
Science behind makes it go up and down.
Explore some important scientific concepts.
Has tricks, reviews, and event information focusing on Europe.
Learn about physics, tricks, history and some serious upgrades in design.
Features information, grading scale, history, top prices paid at auction, world records and champions, and tips.
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