Kagen Sound (as Schaefer) - Ebony Maze Burr (2006) the next incarnation of Kagen's Rune Box, but built on a burr frame instead of a static one.  panels can be rearranged into different solutions. comes with assembly diagram and ten configuration cards. each side has an outer panel that moves two-dimensionally and an inner panel that moves one-dimensionally — essentially a restricted 3x3 maze...or maybe a 3x3x2 maze.  which makes the entire box, what? two overlapping r...

Benno Baatsen (Benno de Grote*) - The Flying Dutchman (2023) * and i wholeheartedly agree this one's pretty epic as far as sequential discovery puzzles go.  you don't just have to find the tools, you have to solve sub-puzzles. solving this took me a several days and required several sketches and diagrams. 3D printed nylon core with a walnut veneer.#5 of 24. original description: https://www.bennoboxes.com/product/the-flying-dutchman while you're at it, have...

Rotasu (Lotus) was an exchnage at IPP42. "A "New Old School" Board Burr A coordinated motion board burr, inspired by Gregory Benedetti's NOS series. Includes 3 challenges: Display in "lotus" form, disassemble removing a green piece second, disassemble removing a pink piece second."Shipping costs to be calculated at auction end

Musical chairs is a tricky packing puzzle design from GPK exchanged by Lee Yee Dian at IPP42 in Tokyo. The lid includes magnets which makes trying out different assemblies and resetting much easier and less frustrating.Shipping costs to be calculated at auction end

Pause Square is another lovely design by the great designer Koichi Miura. It was his exchange puzzle at IPP42 in Tokyo. Your goal is to place all 5 pieces into the frame.Shipping costs to be calculated at auction end

“Metal Chain Puzzle”   This is a metal chain-ring puzzle where the D-ring of the puzzle must be detached.   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 2 kg max. approx. $ 13.50 Europe 1: from 0 - 2 kg max. approx. $ 23.00 to Belgium, Germany, France, (incl. Corsica and Monaco), Italy (excl. San Marino and Vatican City), Luxembourg, Spain (incl. Balearic Islands, excl. Canary Islands). Europe 2...

Up for Auction is Eternity by Christopher Monckton. These webpages contain an explanation of the puzzle as well as a brief history of the solvers. Thank you to Ed Pegg Jr. from mathpuzzle.com for the information about this design. Most of the original information is no longer accessible. https://mathpuzzle.com/eternity.htmlhttps://en.wikipedia.org/wiki/Eternity_puzzleMost notable is the one million pounds sterling cash prize given to the first successful solver. Each piece of this puzzle is mad...

OPUP was an UPP42 exchange puzzle from Dan Shane. It is tricky, fun and has some SD like elements involved. Your goel is to pack the cube into the box, then unpack the cube. Seems so simple....but it isnt!Shipping costs to be calculated at auction end

Spin Head is a new design from Alan Lunsford (Creator of several other printed coin release puzzles such as Cash Back,Bolt Action, and Mighty Pin). Your goal is to remove the coin. This design has not yet been released and is quite a tricky solve!Shipping costs to be calculated at auction end

Dovetail Bar 1 & 2 are designs from Richard Williams. Both are multi step disassembly puzzles inspired by the Lotus puzzle. Your goal is to dissassemble the dovetail.Shipping costs to be calculated at auction end

Color Match BirdWood 6" x 6" pattern matching puzzle, made by Hikimi.  Goal is to place the pieces in such that the colors of the birds all match up.  Puzzle is in excellent condition.  Box is clean but has a bumped corner.  Original instructions (in Japanese) are included.-----Buyer is responsible for shipping which should be $8-12 for small puzzles (within USA, first-class).  Priority mail might be $3 to $6 more.  I charge only exact shipping costs.  Please contact me if you need an est...

Pennytentiary was one of Eric’s first coin release puzzle and the culmination of months of design and prototyping. To solve this sequential discovery puzzle, you must release the penny trapped inside.Pennytentiary's complexity and depth rival that of our trickiest puzzle boxes. The solution is very challenging, with multiple "aha" moments to be found. Success relies upon the discovery and use of various tools to execute more than dozen confounding moves. No force, tapping, banging, or dexterit...

Tofu is a fu yet tricky assembly puzzle from Teddy Sakomoto. The pieces must come together to form a cube. "Assemble the three metal parts into a square shape, like a block of tofu. It looks easy, but you'll find it surprisingly difficult to get the parts to fit together as you expect. Be careful, as there are incorrect ways to assemble them that won't fit together properly."Shipping costs to be calculated at auction end

"Convex Concave" is an M.C. Escher inspired 2-dimensional assembly puzzle from the incredibly creative and artistic mind of computer scientist, prolific puzzle designer, and master of the ambigram, Scott Kim.  It was used by Scott as his exchange puzzle for the IPP23 Puzzle Exchange at the Chicago Puzzle Party in 2003.  The object of the puzzle is to use the 7 magnetic pieces to form a variety of 3-D appearing shapes in 2-D!  The puzzle is as it was received at IPP23 in 2003 in Chicago, unop...

Stickman safe is a multi-step SD puzzle designed by Robert Yarger (Stickman) and machined artfully by Tartarus puzzles. It is a tricky design, a beautiful display piece, and is guaranteed to provide hours of solving fun!Shipping costs to be calculated at auction end

Make a square was an exhcange puzzle from David Litwin at IPP38 in San Diego. Your goal is to arrange the 3 acrylic pieces such that you can "Make a Square". Its trickier than it may seem at first!Shipping costs to be calculated at auction end

ILU2 is a packing puzzle designed by GPK and beautifully crafted by Tom Lensch. Your goal is to place all the pieces inside the frame with the acryllic lid.Shipping costs to be calculated at auction end

Unchecked box is a tricky GPK frame packing puzzle beautifully made by Tom Lensch. The pieces and frame are quite large and chunky which make it even more fun to solve and display.Shipping costs to be calculated at auction end

Lee Krasnow - 3D printed Barcode Burr Master Set this is a complete set of Lee Krasnow's 3D printed variations on the theme of his original Barcode Burr (or what i think of as 'Barcode Burr's Extended Family'). i bought these through Lee's Etsy shop in 2019, before Etsy became DEAD to him. as it did to many sellers. as it did to me as a buyer. i believe these are all still available through Lee's PacificPuzzleworks site [https://www.pacificpuzzleworks.com], so...

“On-the-spot Insanity”   This puzzle is a exchange puzzle by Rik van Grol for the International Puzzle Party 23 held in Chicago, USA 2003   Objective / Description: Place the nine cubes in a 3x3 square in such a way that similar symboles cannot "see" each other horizontally, vertically or diagonally. Both side need to be correct.   Packaging: Zip lock bagPreliminary estimate of shipping costs from the Netherlands.   Netherlands: from 0 - 2 kg max. app...