from eric:This is a very unique and fun puzzle, and probably my favorite design of the update. The box captures six sliders which move around to form an evolving maze for the four identical pieces to maneuver. Moderate in difficulty but over the top in enjoyment! If you haven't noticed I really liked this one, assembling them all was actually a pleasure.The construction of this puzzle is excellent, with a perfect fit and very labor intensive joinery and design. While fairly simple looking, it to...

This was Rene's exchange puzzle at IPP34 (London).I don't know the exact level of this puzzle, but it is NOT an easy puzzleI'm selling these puzzles to fund future puzzle-making equipment, and of course to buy morepuzzles :)buyer is responsible for money transfer fees (ie 3.5% for paypal), packing and shipping expenses...

This was Marcel's exchange puzzle at IPP34 (London).I don't know the exact level of this puzzle, but it is NOT an easy puzzle.Challenge is to disassemble and reassemble the puzzle so the "IPP" are solid colorsI'm selling these puzzles to fund future puzzle-making equipment, and of course to buy morepuzzles :)buyer is responsible for money transfer fees (ie 3.5% for paypal), packing and shipping expenses...

(made from 1/8" thick laser cut plastic, board 2 layers, pieces 2 layers, 4.375" x 4" x 3/8"; the eight pieces are two layers only due to the dog ears) The start position has the two dogs facing away from each other and the other 6 pieces neatly arranged above them. A natural problem is to exchange the two dogs while leaving the rest of the puzzle the same. A second problem, shown in the puzzle directions and sample solution, is where one of the square pieces ends up above the do...

SECRET KEY PUZZLE BOXThe Secret Key Puzzle Box was designed and crafted by Gene Dobberstein. This puzzle box takes its looks from a vintage puzzle box design but incorporate tools and a sequential discovery sequence to solve its secrets. I count at least 13 steps to solve, and it is made of Walnut and Maple. A solution sheet is included with the puzzle box. Shipping can be calculated at auction close, so please allow time for that before sending payment. Buyer is responsible for PayPal fees....

Matthew Dawson's IPP 32 exchange puzzle, made by Brian Young of "Mr Puzzle". Multiple steps in this small sequential discover puzzle.

From Eric: Another brilliant Jolly design. Bundle of Sticks is very non-traditional in appearance, and a lot of fun to solve. One stick comes out easily enough. The other three create a set of gates which must be maneuvered before the puzzle can be filly disassembled into its five pieces. The solution is a unique level 13.6! Once solved, this puzzle displays very nicely given the extraordinary contrast between the lightest wood available and one of the darkest.This puzzle is very well made with ...

BOB PENKO PUZZLE BOXThis unique puzzle box comes with a treasure map and 3 hand crafted keys. The solver needs to use the 3 keys to open the puzzle box using clues provided in the treasure map. The puzzle box is ornately crafted with inlay and many interesting design features. No solution is provided, but I can assist the solver in email if required.Shipping can be calculated at auction close, so please allow time for that before sending payment. Buyer is responsible for PayPal fees. If you h...

Little Game Hunter By Robert Yarger. Per Robert's website, this puzzle was a limited-edition of 38 puzzles, with 25 moves and 2 compartments. Difficulty is rated by the designer as moderate to open and difficult to re-assemble. Buyer to pay actual shipping and insurance charges, and any Paypal fees. Western Union is okay if buyer pays the fees.

Edelweiss by Robert Yarger. Never desiring to look at any solution, I found this puzzle quite frustrating. According to the designer's website, the number of steps will vary dependent upon the puzzle solver. There are two compartments to find. Buyer to pay actual shipping and insurance charges, and all PayPal fees if applicable. Western Union is okay, if buyer pays the fees.

NAKED SECRET BOX "RED"This is the original Naked Secret Box designed by Akio Yamamoto that was Meiko Kimura's exchange puzzle at IPP 34. It takes 9 moves to open the puzzle box. It comes with a storage box and solution.Shipping can be calculated at auction close, so please allow time for that before sending payment. Buyer is responsible for PayPal fees. If you have any questions just send me an email. Many thanks!

A clever puzzle box with 24 moves to open. Number 7 out of a series of 40 boxes. Signed by the creator. Original voice recording intact (it can be changed).

Oskar Van Deventer's well-known puzzle made by Eric fuller, signed and dated 2/10.

Great Demirhan puzzle made by Eric Fuller from sapele and exquisite cocobolo pieces.

A Demirhan puzzle made by Eric Fuller from walnut with rosewood pieces.

Office workers, students, men and women; all packed into rush-hour commeter train. Can you fit their arms, legs and heads perfectly into a rocking glass?

4 BURRS BY THE YAMANAKA KUMIKI WORKSThis set contains 4 coloured burr puzzles crafted by the Yamanaka Kumiki Works group. Each burr puzzle comes with a photo illustration showing the correct placement of the burr pieces.Shipping can be calculated at auction close, so please allow time for that before sending payment. Buyer is responsible for PayPal fees. If you have any questions just send me an email. Many thanks!

Original Stewart Coffin Twelve Point puzzle (STC #33). Inscribed "STC, 1981".Six dissimilar pieces with unique assembly. Made from cherry and gaboon ebony. One tip is slightly chipped (see photo).

This is the first edition holly version. Has been played with, but still fits extremely well and no damage.

Cross Box by Robert Yarger. The puzzle's 17 blocks must be manipulated to find the 2 secret compartments. The solution takes a minimum of 20 moves and has a designer's difficulty rating of moderate. Woods used are Bloodwood, Purpleheart, Beli, Maple & Walnut. Puzzle is in like-new condition. Limited edition: #16 of 30 made. Includes original information card. Buyer to pay actual shipping and insurance charges, and all PayPal fees, if applicable. Western Union is okay, if buyer pays th...