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About this Product
This version of the 1x2x3 can shapeshift because it allows 90 degree turns on the long side instead of the normal 180. You will need a #4-40 screw one inch long and a nut to complete this puzzle (Note, you will need to use two washers, one on the head of the screw and one on the nut. To keep the puzzle from unscrewing you will also need to glue the nut to the screw).