These Water Pins are currently available at the official Olympic Commemorative Pin Center at Gongmei Building, Wangfujing, Beijing.

这套水资源保护纪念章已在北京王府井工美大厦的官方指定奥林匹克纪念章中心对公众发售。

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Toy maker Hornby is hoping 2012 Olympic merchandise and a range of Moshi Monsters pin badges will help it to offset a slump in its UK profits.

BBC: Hornby is pinning its hopes on Moshi Monsters pin badges

The first Pins will open on May 29th, with the Pin 5 (a 5-by-5 meter indoor location) making temporary appearances at Spitalfields Market, Westfield and White City, while the 7-by-7 outdoor version (Pin 7) will pop up in the Olympic Park along with Hyde Park at a later date this year.

ENGADGET: Samsung Galaxy S III to be sold in Mobile Pin pop-up stores (updated with video)