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Lego 15 puzzle Peer Kreuger.jpg

Spotted in the MAKE Flickr pool, this elegant working version of the classic sliding-tile puzzle executed in Lego elements by Peer Kreuger. It’s shown here partially disassembled; the assembled version has no visible studs.

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Sean Michael Ragan

I am descended from 5,000 generations of tool-using primates. Also, I went to college and stuff. I am a long-time contributor to MAKE magazine and makezine.com. My work has also appeared in ReadyMade, c’t – Magazin für Computertechnik, and The Wall Street Journal.


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