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T Like Tokyo, exchanged, designed, and manufactured by Taiwanese puzzle and game dealer Liang-Jen Wu (aka,
"Puzzle Wu"). The twenty polycubes that fill a 5x4x2 box can also be used to build a capital letter T. Complete with solution.
Double Spiral, designed and manufactured by Jean-Claude Constantin, exchanged by the late4 great perennial Puzzle Exchange participant John Ergatoudis. Remove the ring. As received at IPP21.
Two Piece Boxed Burr, exchanged, designed, and manufactured by the great puzzle enthusiast and recreational mathematician Yoshiyuki Kotani. A two-piece two-dimensional burr. Complete with instruction card as received at IPP21.
Twenty Cube, exchanged, designed, and manufactured by perennial Puzzle Exchange participant Rick Eason. Four unusual pieces made of walnut and maple form a lovely banded cube. Complete with instruction card as received at IPP21.
Row 2:
The Penny Farthing II, designed, manufactured, and exchanged by the late great perennial puzzle exchange participant Lambert Bright. Disentangle the rider from his penny farthing bicycle. Complete in original box with original paperwork, instructions, and solution.
Broken Color Wheel, exchanged, designed, and manufactured by Derrick Schneider. Stack the nine transparent disks to form the given color wheel. In its original shrink wrap (i.e., never opened).
Hidden Cube (8+1=8), exchanged, designed, and manufactured by the late great Robert Darling, long-time Puzzle Exchange participant. Interestingly, form an apparent 2x2x2 cube from the 9 cubies, placing one at the center, and surrounding it b the others. Complete in its original plastic bag with instructions and solutions.
Row 3:
Cryptic Crosses, exchanged and designed by perennial Puzzle Exchange participant Jim Kerley, manufactured by George Luck Puzzles. Use the eight beautifully laser cut and laser etched pieces to form four crosses that meet a given set of criteria. In its original shrink wrap (i.e., never opened).
Nippon, exchanged and designed by Wolfgang Schneider. Arrange the five pieces such that a single red square is visible from all six angles. Unopened in its original plastic bag complete with instruction sheet.
Intricate Dice, exchanged by Irina Novichkova. Arrange the seven pieces to form a proper die. As received in its original plastic bag, complete with instruction and solution sheet.
The Different-Storeyed Meleda, exchanged by Anatoli Kalinin. Separate the handle from the rings. As received at IPP21 with instruction and solution sheet.
Row 4:
Pack the Puzzle, exchanged and designed by the prolific Japanese puzzle shop owner Naoyuki Iwase (Osho), manufacture by Kouichi Utsumi. Pack the six pentominoes (which spell PUZZLE) into the restricted opening box. Complete with its original instruction and solution sheet.
