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A rare puzzle. Introduced to the puzzle community by the late Edward Hordern at IPP 1992 as an exchange gift.
A clockwise twist of the front face changes the 3 colours at the marked windows (at 12, 3, 7 o'clock). Anti-clockwise twists change nothing, except reposition the marked windows for the next move.
Diameter: 72mm
Height: 17mm
Weight: 35g
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Thank you to the following people for their assistance in helping collect the information on this page: Geert Hellings. If you have any information or images that you would like to contribute to this entry, please click the apropriate add (
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