This is an original design puzzle !Exchange puzzle entry from David Litwin at IPP 35.The goal is to open the razor blade and close it again.After the end of the auction the final shipping cost will be calculated.SEPA bank transfer is accepted (EU countries) and free. The PayPal fee will be added to the final price (4%).

This is a 3x3x3 PAPER CUBE, made entirely of 60lb card stock and a bit of adhesive glue - even "stickers" are made of card stock. Made using Daniel Stabile's template with some modifications. Fully functional but difficult to turn - takes careful alignment and some wiggling around. A great conversation piece and unique piece for your collection. All parts were machine cut and scored, so this is likely the highest quality paper cube I've ever seen available for sale. Only one was made and took 1...

Jailbreak by Jurgen Reiche. Beautiful condition, solved once. Great "impossible" seeming puzzle - free the ring from jail. Unusual solution - good "aha" moment...SHIPPING:USA shipping USPS priority.International shipping method and insurance as agreed with buyer. Buyer pays all Paypal and shipping fees.

Safe puzzle by Jurgen Reiche. Mint - never solved. Laser cut wood, with metal bolts and perspex.The aim is to navigate the two bolts through the double layered maze to free the coin. Beautifully made.SHIPPING:USA shipping USPS priority.International shipping method and insurance as agreed with buyer. Buyer pays all Paypal and shipping fees.

Star Puzzle was Naoyuki Iwase's exchange puzzle at IPP 19 in London, 1999.Assemble the 12 triangular wooden pieces and the 12 small sticks into a 3D star shaped assembly.The 3D star is made up of 4 2D triangles.I don't know the wood types, but they are gorgeous. All triangular pieces are smooth with nicely bevelededges.Ships disassembled In original ziplock bag with original information- and solution sheet.

I purchased this puzzle back in 2009 and I never solved it !I didn't try much either...It comes with its stand and a plastic cap to save your fingersAfter the end of the auction the final shipping cost will be calculated.SEPA bank transfer is accepted (EU countries) and free. The PayPal fee will be added to the final price (4%).

Edward Hordern IPP Puzzle Exchange – San Francisco, USA, August 2009Presented by Brian Young. Made by Brian Young @ Mr Puzzle Australia. Designed by Brian Young.full description page here : https://www.mrpuzzle.com.au/a-drive-down-lombard-street-dexterity-slide-puzzle/After the end of the auction the final shipping cost will be calculated.SEPA bank transfer is accepted (EU countries) and free. The PayPal fee will be added to the final price (4%).

Slide-ly Tricky Tower was Le Yee Dians exchange puzzle at IPP 19 in London, 1999.It may look like towers of Hanoi, but it surely isn't! Even though the goal is to move the stack of differently sized blue pieces to a different location. The bottom light-red area can be partially blocked by additional red pieces taken from the left and right rectangular spaces, to make the puzzle 'more challenging'. up to 485 moves!The puzzle does not come with instructions.It is analyzed by Dr. Goetz Schwandtne...

6% paypal fee is paid by the buyerShipping is calculated after auction is closed.Robert and I have talked about reproducing some of his older work for a while. He sent me a few designs and this lock really grabbed me. Originally a component on his Pirate's Wallet puzzle box, he had many requests for the lock alone. It requires seven steps to solve and has a couple very tricky components. Note that this is a take apart puzzle, and the lock is not suited to actually secure anything since the steps...

Sequential-movement puzzle, no longer in production. Use the rotating disk to jumble and restore the order of the sliding numbered pieces. Tom's patent: https://patents.google.com/patent/US7604234).[Actual shipping cost will be calculated at close of auction. Buyer is responsible for Paypal fees.]

Apolaki by Perez

This is a very nice box by Hiroshi Iwahara.  It has no flaws.  It comes very near assembled, because I cannot figure it out.  

This is a very nice box built by a kit and designed by Bruce Viney.  It is made of walnut and plywood.

Each plastic puzzle is comprised of 16 blocks.Made in Germany by PUSSYCAT.

First Box by Wil Strijbos.  Wonderful sequential discovery puzzle.  There is a small nick on the lid in the rear, no other nicks, no scratches.  I had a hard time keeping all the dust off for photos.  Buyer to pay actual shipping and Paypal fees.

This is an excellent nary puzzle with two challenges.  the first is 257 moves and the second is 384 moves.  Each solve requires the removal of the front "named" piece.Alfons has a very long lead time on his puzzles, making them to order, so this is a great opportunity to pick up a variety from his collection.

Two routefinding/maze sequential movement puzzles from the Ukrain.On is a 5-ary puzzle similar to Cross and Crown, the other more a route finding.I had great fun solving these...do you alsohave what it takes?Not very happy to see this one go but since I lack the space to keep them all I want somebody else have the pleasure to solve this, here's your chance!Shipping is: Netherlands € 8,00 Europe: € 13,50 - € 18,00 World: € 25,00 insurance to be calculated afterwards, depending on win...

Juno's Pinned Framed Burr M. The goal is to remove the 4 pieces from the cage. It take 50 moves to remove the first piece. (There were only around 10 or so of this version made due to Juno using the last of some Burmese Teak timber he had.)https://www.pluredro.com/shop/pinned-framed-burr-m/Actual shipping cost will be calculated at end of auction. Buyer pays 4% Paypal fee.

This is a beautiful puzzle by Brian Young of Australia.  It was sold by Mr. Puzzle of Australia.  It is a sequential discovery box, which means it'll use tools within the puzzle to solve it.  I have never solved it, but hoping somebody out there will love it and actually solve it.  It is made of Queensland Silky Oak and Western Australian Jarrah Wood.  It measures 4.25" in depth.

Gorgeously crafted SD puzzle by Juno.  A prize awaits you if you can solve this gem.  Buyer to pay 3% PayPal fees if using G&SDescription:As you can easily imagine, the concept of the puzzle is the same as our former product, Sequential Discovery Burred Box. The puzzle looks like a 6 board burr and it actually behaves like ordinary burr puzzles. Once you start playing with the puzzle, you will soon be aware that the puzzle is quite extraordinary. Several tools are used to reach the goal of th...