Exchange puzzle by long-time Puzzle Exchange participant Pavel Curtis at IPP21, held in Tokyo in 2001.  The object of the puzzle is to place the 12 two-sided dominoes in the tray to form a picture of the Japanese flag.  The solution is unique.  The puzzle is as received in its original plastic bag.  I will include a copy of the solution from the IPP21 exchange booklet.  I will ship within the US at insured priority mail pricing (around $10), and am happy to ship overseas at cost, but I ...

Six Slabs is a unique packing puzzle reminiscent of the Hexahedroom design. Six uniform "slabs" must be packed into the box, which has three openings in a non-symmetrical pattern. This is complicated by two fixed blocks inside the box. With a level 1.1.9.3.2.3 solution, Six Slabs is non-trivial to solve.Crafted from Curly Maple (box) and Wenge (pieces). Great care was taken during construction, with Wenge accents on the box corners and extremely precise dimensions. Extra attention was spent on t...

Tube It In is a classic design by Wil Strijbos. To solve it you have to take the various small rectangular pieces and pack them all inside each other. Wil originally made it with small cut sections of metal pipe! What an original and fun idea, still unique to this day. The puzzle itself is moderately tricky and fun to solve.Construction of this puzzle is painstaking. Each piece is strengthened with shouldered joinery on the edges and then beveled on all faced. This was very tricky indeed with su...

The goal of Fano Blocks is to pack seven pairs of identical rectangular pieces flush into the box. These aren't just any pieces, however! They possess unique properties: any two distinct blocks share precisely one edge length in common and any set of two specific edge lengths are held by two identical blocks. The resulting number of edge-matching combinations creates a complicated problem. Finding even one of the eight possible solutions is an accomplishment.Named after the Fano plane (the small...

The "TV Puzzle" is a long-discontinued Pelikan release that was the subject of particular obsession on the Mechanical Puzzle Discord. I somehow got roped into making it; I'm still not sure how. Those guys are persuasive.TV Puzzle is an interesting hybrid packing and take-apart puzzle. My interpretation stayed true to Jakub's original design with a couple of changes - we fully lacquered and changed grain direction for all pieces to make the solution more difficult. The result is trickier than I e...

The Bamboozler from Serhiy Grabarchuk (Bits and Pieces)Twelve small bunches of bamboo pieces need to be put together in the stand to make a bundle of bamboo pipes.  This puzzle was surprisingly difficult.  It’s probably (unintentionally) a dexterity puzzle too… it was not easy to keep the pieces stable in the stand.  I’ve enjoyed a couple other puzzles from Grabarchuk but this one was tough.  The photos are careful to avoid any possible spoilers.The wood puzzle is in great conditi...

Deko & Boko from Frederic BoucherThe goal is to pack the pieces into the frame.  There are six different challenges, each one using a different set of 9 (out of the 10) pieces.  There are also bonus challenges included to make specific shapes from the pieces alone.There was a lot of puzzling in this one from Boucher!  I got a couple of the challenges very quickly, but the same tricks didn’t always work and I spent a couple nights finishing up all 6 challenges plus the bonuses.  This ...

A clever tray-filling puzzle by the prolific puzzle inventor Goh Pit Khiam, beautifully laser cut by popular puzzle craftsperson Walt Hoppe, used by Walt as his exchange puzzle at IPP22 in Antwerp in 2002.  Fit five polyominoes into an enclosed tray through a slit which is 2 units wide.The puzzle is as new in it's original box.  I will include a copy of the solution from the IPP22 exchange booklet.I will ship within the US at insured priority mail pricing (around $10), or as a first class ...

Alchemist Cubes is a highly themed 4x4x4 Cube Set. It has 18 unique pieces that can be used to make over 4,900 cubes. 54 problems have been hand selected and turned in Alchemy Formulas you must solve to find the right pieces. It includes a 1500 word narrative and  list of 54 themed spells to solve. It is difficult! But I have included 15 additional easy problems  in the PDF. The PDF is bound and it comes with leather pouch, scroll, and quick reference cards. More about the original limited pro...

IPP25-Finland was Bill Cutlers exchange puzzle at IPP25 in Finland, 2005.The 13 pieces are cut from wood which has one dark side (see most of the pieces in the picture) and one light side (see rectangular piece and back of the tray in the pictures). The goal of this puzzle is to create a likeness of the Finnish Flag within the tray, by interpreting  dark as blue and light as white. Some of the pieces need to be flipped and re-arranged. There is only one solution.= = = = = over 70 IPP25 exchang...

Hooker Cube was Bill Darah's exchange puzzle at IPP25 in Finland, 2005.The goal of this 3D interlocking 4x4x4 cube is to take it apart in 6 pieces, and then put it back together in its cube shape. This can be done without rotations.All six pieces have a 'hook' or 'U' shape like the piece shown separately in the picture, hence the puzzle name.Two of the glue joints were found loose during the puzzle inspection. These were sanded and re-glued using the puzle itself as a jig. The result is a fine w...

Heads & Tails Pyramid was Marcel Gillens exchange puzzle at IPP25 in Finland, 2005.The goal of this 3D stacking / colour matching puzzle is to build a pyramid of 14 (out of the 15) pieces,  according to specific rules. The 3rd picture shows the instruction sheet with those rules.The puzzle comes in original sturdy plastic box, with instruction sheet.= = = = = over 70 IPP25 exchange puzzles available, see my other listings = = = = =

Pentamag was the exchange puzzle of Jan Grashuis at IPP25 in Finland, 2005.The goal of this 2D geometric puzzle is to create wonderful shapes using the 68 magnetic triangle or pentagon pieces.10 specific challenges are described, many more interestig shapes can be made.You will assemble different shapes related to the number 5 and the golden ratio.This puzzle is large! 30,5x30,5 cm. It comes in original ziplock bag, with instructions and solutions.= = = = = over 70 IPP25 exchange puzzles availab...

Pythagorean Pentominoes was the exchange puzzle of Wei-Hwa Huang at IPP25 in Finland, 2005.The goal of this puzzle is to arrange the different sets of pieces to form a rectangle, a dodecagon, and a Pythagorean figure.The green set of pieces can be assembled into any of the figures,the blue set of pieces can only form the dodecagon and Pythagorean figure,the yellow set packs into the Pythagorean figure and rectangle only.(Mentioned colours refer to the instruction shet, the actual puzzle colours...

3Q Cube was the exchange puzzle of Takeyuki Endo at IPP25 in Finland, 2005.The goal of this 3D assembly puzzle is to put the 3 pieces into the frame.The frame is made of lasercut acrylic black shiny plates glued together, the glue joints are visible.The puzzle comes in original cardboard packaging box, with instruction and solution sheet.= = = = = over 70 IPP25 exchange puzzles available, see my other listings = = = = =

Peter's non-flipping tri-cairos was the exchange puzzle of Peter Knoppers at IPP25 in Finland, 2005.The puzzle consists of 10 pieces and a frame. The goasl is to fit all pieces in the frame, while to mono-cairo pieces are placed at predefined positions. Various challenges are given (see picture 5 6)The puzzle comes in original custom paper sleeve (picture 3) , which has a few wrinkles.The challenges are included, the solutions are not.The original challenge 5 is impossible, it should read field ...

Vesa Burr 8 was the exchange puzzle of Matti Linkola at IPP25 in Finland, 2005.The goal of this puzzle is to find the level 13 assembly that shows "IPP" and "25" on the outside when solved.The 8 plate burr can also be assembled in many other ways, including the way it is shipped, which is not the solution.The puzzle comes in original zip lock bag with original instruction sheet.= = = = = over 70 IPP25 exchange puzzles available, see my other listings = = = = =

El’s and Arrows was the exchange puzzle of Ad van der Schagt at IPP25 in Finland, 2005.The tray has 2 sides , providing several diferent packing challenges, also described on the instruction sheet (see picture 2).1: Insert all the 8 pieces at the front side (square)2: Insert all the 8 pieces at the back side3: Find solutions to fill the front side (square) with less than 8 pieces in such a way that no more pieces can be added.4: Find solutions to fill the back side with less than 8 pieces in ...

Caged Knot was the exchange puzzle of Bernhard Schweitzer at IPP25 in Finland, 2005.The goal of this puzzle is to remove (and then replace) the three ash pieces from inside the Massaranduba “cage”.It takes 13 moves to remove the first piece.As indicated on the packaging, some pieces have a (bit of a) tight fit depending on humidity.I verified the solve at 45% humidity, and found 2 or 3 moves of the solution to be very (not 'a bit') tight, but doable. (see picture 4)The puzzle comes in its ...

Octaplex was the exchange puzzle of Bob Hearn at IPP35 in Canada, 2015.The goal of this puzzle is to assemble an octaplex.The octaplex is described inside the lid of the box, see picture 2.Don't worry, solving this puzzle is not as difficult as understading the description.It's a lovely fidget puzzle, keep trying and you will solve it one day.All 5 pieces are shown in picture 3.The puzzle comes in its original cardboard box with instruction labels.