The first sequential discovery burr by JunoThis six-piece burr shaped puzzle happens to have a small cavity or compartment and it requires sequential discovery movements to access the cavity using tools that belong to the puzzle itself.Is this a burr puzzle?Yes, look at the shape. It is obvious.Is this a puzzle box?Yes, because it has a compartment to keep something internally.Is this a sequential discovery puzzle?Yes, the puzzle requires tools to go onto the next step and eventually reach th...

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...

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...

The original visitor Q puzzle by Frederic Boucher which inspired the ResQ by cubicdissectionMore than 30 moves are needed to solve that difficult sequential discovery-sliding-interlocking puzzleHere is what fivesinatras tells about it:https://www.google.fr/amp/s/fivesinatras.com/2020/11/24/visitor-q/amp/

Triple play was Eric Fullers exchange puzzle at IPP25 in Finland, 2005.The goal of this 3D interlocking take-apart puzzle is to separate the 3 identical pieces, and put them back together again. Rotations are allowed!The pieces are very smoothly finished. They seem to be interlocked very loosely, but the unique solution works only when the pieces are perfectly aligned.The puzzle comes in original cardboard box, with solution (mini-)sheet.= = = = = over 70 IPP25 exchange puzzles available, see ...

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 = = = = =

Comes with a load of spare magnetic pins and a tool to remove the pins. I also have a print out of all the different problems, however this will increase the weight so it may be best to print your own. I can email a copy of the PDF to winning bidder.Shipping calculated at auction end based on location Any 

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 = = = = =

The Flag was the exchange puzzle of Tom Rodgers Jr. at IPP25 in Finland, 2005.The goal of this sliding block puzzle is to rearrange the Finnish flag to its proper design, and at the same time for the puzzle party line to read IPP 25 (not 25 IPP).This puzzle is Stewart Coffins design #203-D.This puzzle comes in its original zip lock bag with instruction sheet and solution 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 ...

Twins was the exchange puzzle of Rikishi Yamada at IPP30 in Japan, 2010.The goal of this puzzle is to make 2 identical (same black/white pattern) 4x4 squares, using all 10 wooden pieces.19 example challenges are given, for 6 of these the life size challenge cards are included (not shown in the pictures)The puzzle comes in its original zip lock bag, with original instructions and challenge cards.

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.

This is an interesting and rare set of handmade wooden puzzles.It comes without documentation, so the backgrund is uncertain.However it does have "SCO" and "STC" markings on the insides, referring to Stewart Coffin.The outer shell is a rhombic triacontahedron, a 30-faced polyhedron.It opens in 2 halves, with a 5-finger-grip if it would not be too large for an average human hand (12 cm).Inside you'll find 4 rhombic dodecahedrons, also known as pennyhedrons puzzles.The pennyhedrons are marked wit...

Six multiple-solution games from Thinkfun and Binary Arts. Tipover, Lunar Lockout, River Crossing, Stormy Seas, Treasure Quest, Rush Hour. They're all in nice shape in original packaging except: Stormy Seas back of box is dented, and Treasure Quest back of box is dented. Shipping weight is about 8 pounds, so please be aware that your shipping is probably going to cost a lot more than the puzzles themselves (about $80-100 for overseas, depending on the weight of final packaging).None of these are...

Koichi Miura's new puzzle 5L Basket (crafted by MINE (Mineyuki Uyematsu)The goal is to put the 5 L-Shaped pieces inside the basket.Wonderful puzzle with a great AHA moment!Shipping can be combined if you are winning more than one of my auctions. The shipping costs will be calculated after the auction. The buyer has to pay the shipping costs.Please contact me if you have any questions about the item