Shape shifters?

Has anybody ever solved a square-1 or other shape shifting puzzles? I am considering making a Square-1 tutorial, but was wondering how many people knew they existed or had them. - is a wikepedia description

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I've seen something on ThinkGeek similar to this...
 they look really cool. where do you buy them?
red-king8 years ago
 i've seen one on I don't know much about themthough. they look like they would be very annoying to solve though...
Does Not Compute (author) 8 years ago
Sorry about that, updated it with a picture and link to wikipedia
gmjhowe8 years ago
A picture or link to another site explaining need adding to this topic, just so people can look and give a quick response.