Binary Arts first puzzle release - The Hexadecimal PuzzleThis is the nicest example of the puzzle I've seen - Comes complete with original instructions and inserts - Box is nice condition with minor shelf wear - Works great!

Very rare hard to find collector's puzzle in very good to excellent condition.Object is to open the cylinder and close it again. Very well engineered piece of puzzle.Winning bidder will be invoiced the total of the winning bid amount + shipping cost (with tracking number) to be calculated after the end of the auction + 4% paypal charge. Thanks for looking and good luck with your bid.

This particular work was designed for an exhibition with the theme of "Story." It is straightforward enough to find the first six compartments, but the seventh compartment (containing the signature stamp) is much harder to find.

See: http://puzzlewillbeplayed.com/6PieceBurr/Tvan/Comes with display stand.

The fourth of Greg's N.O.S. burr series.  Please read Eric's description at http://archive.cubicdissection.com/html/goback.html

Approachable mid-level take-apart puzzle bt Stephane and Pelikan.  Read Kevin Sadler's comment at https://www.pelikanpuzzles.eu/detail/pontoon/

Great tray packing puzzle

This beautiful puzzle hasn't gotten as much love and attention from me as it deserves, so I'm offering it up for sale to someone more deserving, and clearing some space on my puzzle shelves for some future puzzle crushes  ;-)   Cubicdissection.com description: "I love unusual burr puzzles, and the shape of Cobalt immediately grabbed me. I hadn't seen one that looked anything like it before. After checking out the design and solution, I was doubly impressed. The tricky level 12.8 solution i...

From Robert's original wording :"The Stickman Celestial Puzzlebox has stars on the top and crescent moons on the sides that lift in and out of the puzzle sides and must be manipulated properly in order to reach this box’s single hidden chamber."This one is #24 of #41 and has been listed for about 80% of original purchase price.It comes with original solution booklet.

The second of Greg's N.O.S. burr series.  Please read Eric's description at http://archive.cubicdissection.com/html/transfer.html

The third of Greg's N.O.S. burr series.  Please read Eric's description at http://archive.cubicdissection.com/html/roundtrip.html

Remove the key from the 'lock'.  39 moves from start to finish.Ipp24 exchange puzzleBuyer pays paypal fees

'Abacus' is an interlocking puzzle. The aim of this game is to take apart the three board burrs out of the cage and put it back.  The level is 14.4.7, that means the first piece can be taken apart after 14 moves, second one after 4 and the last one after 7 moves.This big beautiful puzzle hasn't gotten as much love and attention from me as it deserves, so I'm offering it up for sale to someone more deserving, and clearing some space on my puzzle shelves for some future puzzle crushes  ;-) Â...

I bought with but wound up never trying to solve this puzzle.  If payment is by check, I will wait for the check to clear prior to shipping.From Eric Fuller's description:This puzzle is a joint effort between Pit Khiam Goh and Eric Fuller. Pit designed the B-Box, which is a cross between a secret-opening type of box and a burr - inspired by Super-CUBI but with a much simpler mechanism. It also has an insane level 135.9.2 solution! The panels slide frictionlessly and end with a satisfying click....

It is based on the 3rd Dimension design, but instead of being 2x3, it is 7x8.  It is in three colours, Maple, Iroko and Rhodesian teak.  Various patterns can be made due to the three colours.Once apart, you'll need many hands to get it together again.  It comes with a modified 2x3 stand.Buyer pays 4% PayPal feesExact shipping cost can only be determined after the parcel is made up.  

Beautiful 3 Piece burr requires 8 moves to remove first pieceWinning bidder pays paypal fees and shipping, calculated after auction

Interesting to solve. Level 12.6.8

Toyo Glass Magic Pencils - Classic impossible illusion based on a Sam Loyd design "Get off the Earth"

Toyo Glass Magical Bottle (Double Super) with original box and insert - Very cool large format puzzle bottle

New Copy, but cover has damage - Cube Index - 2017 book with over 6,500 photos of mechanical puzzles