Le Rétif (IPP26) by Marcel GillenSequential movement sliding tray puzzle challenge.  Exchanged at IPP 26 in Boston.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here: metagrobology : the study of puzzlesShipping by USPS, payment via Zelle, Wise, check or money order.  If you have any questions, please ask them before bidding. :-)

Achille CT503 by ArjeuVery nice disentanglement wood/rope puzzle made in 1993 by Arjeu.Arjeu was a French company that produced over 90 wooden mechanical puzzles, many of which are interlocking puzzles.  Arjeu's line of puzzles are known for their intricate designs and challenging nature.  Many of the designs are from Stewart Coffin, Phillipe Dubois, Pierlot, and others.  Appealing at first glance, these puzzles are also known for being difficult and require dexterity and problem-solving ski...

Belphegor CT507 by ArjeuVery nice disentanglement wood/rope puzzle made in 1993 by Arjeu.Arjeu was a French company that produced over 90 wooden mechanical puzzles, many of which are interlocking puzzles.  Arjeu's line of puzzles are known for their intricate designs and challenging nature.  Many of the designs are from Stewart Coffin, Phillipe Dubois, Pierlot, and others.  Appealing at first glance, these puzzles are also known for being difficult and require dexterity and problem-solving s...

Icare CT502 by ArjeuVery nice disentanglement wood/rope puzzle made in 1993 by Arjeu.Arjeu was a French company that produced over 90 wooden mechanical puzzles, many of which are interlocking puzzles.  Arjeu's line of puzzles are known for their intricate designs and challenging nature.  Many of the designs are from Stewart Coffin, Phillipe Dubois, Pierlot, and others.  Appealing at first glance, these puzzles are also known for being difficult and require dexterity and problem-solving skill...

Angel Puzzle Box by Creative WorkshopFrom the maker "Printed in elegant Dark Silk Gold and Silk Bronze PLA Filaments, each puzzle takes 38 hours to print and assemble. An eye-catching desktop toy for the office and a perfect gift for puzzle lovers/collectors.Your goal is to find out how to solve this beautiful puzzle box.The Angel is a two-stage sequential puzzle; Solve the first stage (Four pegs on the outside perimeter) and the Centre Cylinder will move and be ready for stage two. The centre c...

Euklid by Latussek / PelikanA very difficult (rated 10) packing puzzle with 7 blocks (Acacia) to pack inside the constrained box (dark Oak).  Further reading here: EUKLIDShipping by USPS, payment via Zelle, check or money order.  If you have any questions, please ask them before bidding. :-)   See all active listings here: metagrobology : the study of puzzles

Slideways Cube Aluminum Version #22 by Ray Stanton / Lee Krasnow - Pacific PuzzleworksA very unusual puzzle, originally produced in wood as an IPP35 exchange puzzle.  This version is a Cadillac produced to ultra precision standards by Lee.  Limited Edition, this item is #22 and was made in 2017.Lee Krasnow's Pacific Puzzleworks is a renowned super high precision workshop without equal in the puzzle world.  His pieces are cut with extremely low tolerances to create a perfect fit with this very...

Climb Blo-24 (クライム・ブロ-24) by Minoru AbeColorful, vintage, craftsman level, Japanese sliding tray puzzle called "Climb Blo-24" (クライム・ブロ-24) by Minoru Abe.Note the copper inlay for easy sliding, and the leather backing on the bottom of the tray for table friendly play.  All features are the highest quality among Minoru productions.  This particular puzzle has not come up for sale over the years; the 24 block is quite rare, about 8" x 10", and in as-new condition as sh...

Triple Shift by Oskar / Tom LenschIn superb condition, this puzzle is over 10 years old.  It's a rare and very fine example of Tom's craftsmanship, Triple Shift is an Oskar van Deventer design.  Zoom in on the second picture, you can see the stepped nature of the internal pieces, made in buttery smooth and precisely cut maple.Crafted from Moradillo and Maple, the puzzle consists of just three pieces, it features a challenging and satisfying coordinate motion aspect.  But there is more - is it...

Mini Lock by Christoph Lohe / PelikanCrafted in Ash and Purpleheart by Pelikan.Christoph Lohe wrote about it: “The puzzle consists only of a frame with one obstacle, a shackle, and two sticks. With a level 6.7 it is not a difficult puzzle, but it can be operated like a tiny padlock, which is a nice touch. When I received Pelikan's sample, I was amazed what they made of the design. They have been able to build it in a tiny size, only about 25 grams. Nevertheless, the woodworking is fabulous, v...

Cube Elastique CT21 by ArjeuMade in the 1980's by Arjeu.  Designer unknown.Arjeu was a French company that produced over 90 wooden mechanical puzzles, many of which are interlocking puzzles.  Arjeu's line of puzzles are known for their intricate designs and challenging nature.  Many of the designs are from Stewart Coffin, Phillipe Dubois, Pierlot, and others.  Appealing at first glance, these puzzles are also known for being difficult and require dexterity and problem-solving skills to asse...

Bad Egg #9 by Alfons EyckmansProduced in 2021 in a limited edition, this is #9 hand marked and signed by Alfons as shown.The goal is to pack ten pieces into the box.  Four solutions.Shipping by USPS, payment via Zelle, check or money order.  If you have any questions, please ask them before bidding. :-)   See all active listings here: metagrobology : the study of puzzles

Minos CT501 by ArjeuVery nice disentanglement wood/rope puzzle made in 1993 by Arjeu.Arjeu was a French company that produced over 90 wooden mechanical puzzles, many of which are interlocking puzzles.  Arjeu's line of puzzles are known for their intricate designs and challenging nature.  Many of the designs are from Stewart Coffin, Phillipe Dubois, Pierlot, and others.  Appealing at first glance, these puzzles are also known for being difficult and require dexterity and problem-solving skill...

Prison 24 a Boule CT65 by ArjeuVery nice example of Arjeu puzzles - A gorgeous wooden sphere hides within!  Made in the 1980's by Arjeu.  Designer unknown.Arjeu was a French company that produced over 90 wooden mechanical puzzles, many of which are interlocking puzzles.  Arjeu's line of puzzles are known for their intricate designs and challenging nature.  Many of the designs are from Stewart Coffin, Phillipe Dubois, Pierlot, and others.  Appealing at first glance, these puzzles are also k...

Black Magic (IPP25) by  Roman Götter, Peter Knoppers / Buttonius PuzzlesChallenge: assemble the black acrylic tiles to form a 3D picture of a die.  Exchanged at IPP 25 in Helsinki.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here: metagrobology : the study of puzzlesShipping by USPS, payment via Zelle, Wise, check or money order.  If you have any questions, please ask them before bidding. :-)

Pythagorean Pentominoes (IPP25) by Wei-Hwa Huang / KadonBeautiful acrylic pieces in various colors are used to create a variety of puzzle challenges.  Exchanged at IPP 25 in Helsinki.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here: metagrobology : the study of puzzlesShipping by USPS, payment via Zelle, Wise, check or money order.  If you have any questions, please ask them before bidding. :-)

Diskos (IPP25) by Jeremiah Farrell / Walter HoppeInteresting tray put-together puzzles designed and exchanged by Jeremiah at IPP 25 in Helsinki.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here: metagrobology : the study of puzzlesShipping by USPS, payment via Zelle, Wise, check or money order.  If you have any questions, please ask them before bidding. :-)

Finnish Flag (IPP25) by René DawirThe Finnish Flag in a 3D cuboid !!  Looks awesome to assemble nine two-tone pentominoes into a 5 x 3 x 3 cuboid with blue pinstripes all around.  Fun and playful design exchanged by Rene at IPP 25 in Helsinki.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here: metagrobology : the study of puzzlesShipping by USPS, payment via Zelle, Wise, check or money order.  If you have any questions, please ask them befo...

Change of Heart (IPP25) by Hans van der Zon / Buttonius PuzzlesChange the heart silhouette from one type to the other.  Very tricky and creative wooden tray puzzle with a nice lid and a take apart aspect...  Designed and exchanged by Hans at IPP 25 in Helsinki.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here: metagrobology : the study of puzzlesShipping by USPS, payment via Zelle, Wise, check or money order.  If you have any questions, pleas...

The Danish Squares (IPP26) by Hans Koch / Buttonius PuzzlesNot what you expect on first glance!  This wooden put together puzzle has a variety of challenges to create a square shape of various sizes from subsets of the provided pieces.  Squares can be made from 5, 6, 7, 8, 9, 10, 11 and even all 12 pieces, see if you can find them all!  Exchanged by Frank Karrenbeld at IPP 26 in Boston.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here: metagr...