IPP30 exchange puzzle by George Bell. The interlocking ball octahedron comes apart into four pieces. Made using 3D printing techniques.

Four piece interlocking burr, level 4.3. Nicely finished in contrasting woods. Includes original box.

A bandaged 3x3x3 Rubiks Cube. IPP31 exchange puzzle from Yee-Dian Lee.

Stewart Coffin design #138-A. Saul Bobroff's IPP31 exchange puzzle. I had a lot of fun assembling this puzzle and just now taking it back apart (not so easy either!). I wanted to make it available to others rather than packing it in my basement.

A sixteen piece packing puzzle with two trays and an attached booklet with challenges and solutions. Very nicely made by Peter Gal. IPP31 exchange puzzle.

This 5x5 cube is a shell with a hollow interior. Inside the cube is another 2x2 cube, minus one unit. The internal cube interacts with the shell in a maddening way, interfering with what should be a straightforward disassembly. There's even dead ends and false solutions. The large hole in the shell is there so you can poke your finger in and manipulate the inner piece. VERY fun design, and pretty tricky as well.Precision made from various exotic hardwoods. Attention to detail is everywhere, from...

Basketball is a mechanical maze, based on a mechanical concept by Mark White. Through Ed Pegg's www.mathpuzzle.com page, Oskar found Mark White's CodeWorld game, see http://www.codefun.com/CodeW.htm. Mark had discovered that four pins placed in a tetrahedral fashion could smoothly slide through dodecahedrally placed grooves in a sphere. Mark used his mechanical concept for a sort-of a combinatorial game. Mark even developed some well-working prototypes. Unfortunately, after consulting several di...

Please note this is the preliminary sample of neo sliding block puzzles part 2.It does not contain all sliding puzzles of neo sliding block puzzle part 2.Shipping cost is< 500g world 5.25 $< 1kg world 10.50 $I will combine shipping cost if you have more then one puzzle.You have to pay the paypal fees.

Original Krazee links endless chain puzzleFrom way back, possibly even 1939, comes this very nice puzzle.Complete in its original box with inlay. The original solution is regrettable lost.The hinges on the back have suffered some damage.Therefore the box comes apart ones opened.Some information:http://webapp1.dlib.indiana.edu/images/item.htm?id=http://purl.dlib.indiana.edu/iudl/lilly/slocum/LL-SLO-020966I'm selling these to make room for new additions.(Buyer to pay for shipping and Paypal fees)

The five acryl plates are satined and translucent.The discs are bigger than the exchange puzzles from last year 10 cm.The puzzle is an eye catcher and it looks great to held the pieces in the hands. The puzzles are based on Question du Lapin.IPP Exchange puzzles 31 BerlinPuzzle Design Competition 2011The puzzle consists of 5 discs.Thereby each puzzle disc shows as a silhouette the shape of an object,which is cut out of the disc.If the puzzle discs are put on top of each other in the right way,th...

You are bidding on two puzzlesThe puzzles are based on Question du Lapin.IPP Exchange puzzles 31 BerlinPuzzle 1:Puzzle Design Competition 2011The puzzle consists of 5 discs.Thereby each puzzle disc shows as a silhouette the shape of an object,which is cut out of the disc.If the puzzle discs are put on top of each other in the right way,then the shape of a dog becomes visible.The goal is to find the head of a dog.Puzzle 2:The puzzle consists of 5 discs. Thereby each puzzle disc shows as a silhou...

A very nice Mintman sliding pieces puzzle.The original mints in the head I have removed (they were from the eighties!)It has been played with but no extensive marking.I'm selling these to make room for new additions.(Buyer to pay for shipping and Paypal fees)

Actually an entanglement puzzle by Mr. James Dalgety himself!Made and used by him as an IPP12 Souvenir.The object of the puzzle is to 'put the loop through the horns', instead of getting it out.Comes with original leaflet in what is probably the original plastic bag.I'm selling these to make room for new additions.(Buyer to pay for shipping and Paypal fees)

A relatively simple interlocking puzzle that should be rated more for its excellent craftsmanship than for it's difficulty. Assemble 8 identical corner pieces into zig-zaggy (for lack of a better description) frame piece to complete the cube. Excellent Fit and Finish Shipping cost will be calculated after the end of the auction. Winning bidder will pay the actual postage amount plus $3 for the first item and $1 for each additional item to pay for packaging costs. Please add 3.5% fo...

from cubicdissection.comAnother Jolly design, this is a six piece burr in a three piece burr shape, with hollow internals. Got all that? Very tricky assembly, this burr shares a looping piece set that is not at all intuitive to assemble.Crafted with various exotic hardwoods, the fit is a bit loose due to the unsupported nature of the framework design. That said, it definitely won't be falling apart in your hands given the level 7.4.4.4 solution. Shouldered joints make this diminuitive puzzle sur...

This item is being sold on consignment by an anonymous seller.This seven move puzzle box shows Ninomiyas hallmark quality. The keys are more or less invisible and the yosegi is perfect. Function is flawless...secure but not overly tight. An excellent and difficult to find box.Shipping is $8 in the US for Priority Mail. International shipping is $14 for first class and $28 for Priority Mail.

this is a framed interlocking burr puzzle, with a level 15 solution...I'm selling these puzzles because I no longer have space to store or display them :(buyer is responsible for money transfer fees (ie 3.5% for paypal), packing and shipping expenses...

2x3x4 9 Piece Burr Shipping cost will be calculated after the end of the auction. Winning bidder will pay the actual postage amount plus $3 for the first item and $1 for each additional item to pay for packaging costs. Please add 3.5% for paypal payment.

18 Piece Burr Shipping cost will be calculated after the end of the auction. Winning bidder will pay the actual postage amount plus $3 for the first item and $1 for each additional item to pay for packaging costs. Please add 3.5% for paypal payment.

Three pair of mirror-image pieces form a hollow cube. 6 pcs. Designed by Phillipe DuBois, made by Pelikan. Excellent Fit and Finish Shipping cost will be calculated after the end of the auction. Winning bidder will pay the actual postage amount plus $3 for the first item and $1 for each additional item to pay for packaging costs. Please add 3.5% for paypal payment.