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Blockhead - 1986 Hikimi Grand Prize winner | $80 | Discontinued |
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Square Fit - ThinkFun plastic version of Blockhead | $30 | Discontinued |
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Stark Raving Cubes - ISHI version of Blockhead marketed in the U.S. | $50 | Available now |
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Splitting Headache - (IPP11) checkerboard cube | $30 | No current plans |
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Boxed Box - my best mathematical puzzle design | $160 | No current plans |
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Parcel Post (JM) - copy of an old design - made by Jerry McFarland | $100 | Available now |
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Parcel Post - copy of an old design - made by John Devost | $120 | Discontinued |
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Cutler's Dilemma II - simplified, 15-piece version | $160 | Discontinued |
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Cutler's Dilemma - original 23-piece version | Discontinued | |
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Melting Block - a paradox from Tom O'Beirne | $50 | Discontinued |
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Bermuda Hexagon - Hikimi 3rd Prize winner in 1992 | $80 | Order from Tom Lensch |
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Bill's Checkerbox - checkered pentominoes into a 3x4x5 box | $60 | Order from Tom Lensch |
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Squash(ed) Box - available from Tom Lensch | $100 | Order from Tom Lensch |
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3-Piece Blockhead - (IPP15) Souvenir Puzzle | Discontinued | |
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4-Play - (IPP16) a 4-dimensional packing puzzle? | $30 | Discontinued |
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