Rho’s Bush (IPP23) by Don Charnley / Steve Strickland (Puzzlecraft)Beautiful Granadillo grain and finishing by Steve Strickland!  Exchanged at IPP 23 held in Chicago, USA in 2003.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. :-)

Rho Boat (IPP23) by Brendan Owen / Steve Strickland (Puzzlecraft)Stunning Cocobolo grain patterns in a wonderful geometric solid.  Burr pieces are non-cubic polyominoes.Exchanged at IPP 23 held in Chicago, USA in 2003.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. :-)

The Fan Puzzle (IPP24) by Serhiy Grabarchuk / Bernhard Schweitzer8 identical pieces in 2 colors, the object is to arrange a Fan shape in the tray, then reverse the colors!  The Fan is an unusual 2D tray packing puzzle exchanged at IPP 24 in Tokyo.  As new in original box.Shipping by USPS, payment via Zelle, Wise, check or money order.  If you have any questions, please ask them before bidding. :-)   See all active listings here: metagrobology : the study of puzzles

Buss Box by Buss Wooden BoxesBlack Walnut and MapleAn unusual and vintage puzzle, this handmade box is characterized by a "fanciful organic style" crafted by Fred & Marilyn Buss in the Mid-Century Modernism style, featuring a stained finish and made of high-quality Black Walnut and Maple. The lid closure keeps your items secure, and the box comes unboxed, revealing a unique piece of puzzles art.  The puzzle is about 6x6x5" and is very solid.Fred and Marilyn Buss have been involved in handcra...

Karin’s Rose Burr (IPP23) by Karin & Juerg von KaenelJuerg writes "This puzzle was designed by Karin as our IPP23 Exchange puzzle. It shows Karin's typical filgrane piece designs and comes apart with a "twist".  Produced out of Cherry wood with a cube unit size of 12mm, thus making the overall puzzle about 48*48*48mm in size."22 years old, this puzzle is from IPP 23 held in Chicago, USA in 2003.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here:...

The Chicago ‘L’ (IPP23) by Donald Knuth & George MillerAssemble a solid square with the provided pieces!  The final square will have an unbroken loop.22 years old, this puzzle is from IPP 23 held in Chicago, USA in 2003.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. :-)

The Elusive Square (IPP23) by ?? / Laser PerfectHarold Raizer found this innovative antique design and had it reproduced for his exchange puzzles.There is only ONE solution to form a square from the 12 pieces with the word "elusive" facing up... 15 more if all arrangements are explored!22 years old, this puzzle is from IPP 23 held in Chicago, USA in 2003.Puzzles are made to live in people's hands.  Pick one up today!  See all active listings here: metagrobology : the study of puzzlesShippin...

Dutch Cross (p69) (IPP23) by Dic Sonneveld / Josef PelikánExcellent six piece burr design from Dic, and nicely cut and finished in Josef's workshop!22 years old, this puzzle is from IPP 23 held in Chicago, USA in 2003.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. :-)

T-5 (New T-teaser) (IPP34) by Irina Novichkova & Vladimir Krasnoukhov / Planet of puzzlesMake а T-pentomino, then make а Y and a P-pentomino!From IPP 34 held in London, England in 2014.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. :-)

Bolt Action by Alan LunsfordDesigned and produced by Alan LunsfordFrom Layer by Layer puzzles:"This is a small sequential discovery puzzle that packs a punch! Comprised of 29 discrete parts, this puzzle is assembled as it is printed for a unique challenge that will at the very least make you question how it was constructed! You’ll have to be creative with the tools provided to free the coin and discover any other secret the box might hold ;).Puzzle is 3D printed in PLA and measures 52mm X 52mm...