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Mind Twister (aka: Wisdom Ball)
Above:The front of the package.
Click a thumbnail to see its larger version and description.
I could be wrong, but this puzzle looks fairly trivial.

Anyone who can solve the classic 15-square puzzle can solve this one in under 10 minutes. The parity problem (two pieces swapped or with one tile turned upside down) only appears to happen if you make all tile colors match their face color and all numbers increase clockwise with down as out from center (but probably not real see next sentence). No parity error if down is in to center and num inc cw or either down'ness with num inc ccw.

Price Tracking Data

DISCLAIMER: The following table contains user-generated content. This information is collected to serve as a rough guideline and is certainly not complete and may not even be accurate. This information is filtered and carefully moderated, but incorrect information will inevitably find its way into the system. Always use your own judgement when buying or selling an item.

Sale Date Price (USD) Sale Type Condition Package Condition Notes Contributors Edit
Nov 15 2004 $8.29 eBay Auction Mint Mint None Michael
Aug 8 2003 $17.07 eBay Auction Good Average Cardboard box. Sandy

Links

Contributors

Thank you to the following people for their assistance in helping collect the information on this page: Sandy, Anthony Au, RJ.

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