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...

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).

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...

Jigsaw puzzle - comes apart in a non-trivial way. Exchange puzzle from IPP14.

Another great puzzle box from Ron Locke. This one is 9 moves to open. Not as difficult as his others but beautifully crafted with wooden inlay in the sword (see pictures). Nice tight fit.This one is #3 out of 30 boxes created and is signed by the creator

Wooden take-apart to release an internal penny.

Kuku Puzzle from Sonic Games, UK. Object is to open the Kuku and find the "reward" inside.In very good working condition, solved once only. Still looks very new and shinny. Comes complete with original plasic box and external packaging.Very rare (and as far as I know) no longer available commercially

Puzzle in good working condition. Object is to remove the plate (with purple block) from the prison.Cosmetically there are blemishes and stains around with some minor scratches and dings on the edges. Please look at the photo.Very rare and commercially not available.

Puzzle in good working condition. Cosmetically there is some tarnishing on the cannon. Object is to remove a small cannon ball inside the cannon.Very rare!

Puzzle from PuzzleMaster of Canada.Object is to open the chest.Puzzle in good working condition. Cosmetically overall, its still in good shinny condition.Rare and (as far as I can tell) no longer commercially available

The very rare Cube-In-Cube was designed by Marcel Gillen, who is very famous for his Chess Piece puzzles. Object is to get the brass block outPuzzle in good working condition. Cosmetically there are some minor scratches and staining on the cage as well as on the cube. One edge of the cube also seems to have worn down. Please see photos.

Puzzle in good working condition. Very rare this one! And not commercially available.Object to remove the brass ball bearing from its enclosureCosmetically the brass portions of the cage and brass ball bearing has patina a bit. Some polishing will restore its shine.

6 identical odd shaped wood pieces form a pinwheel. This puzzle comes apart with coordinate motion but 3 not obvious steps are needed before it will open. Difficult to disassemble with a lot of movement of the pieces but it will not come apart. This is the first wood version of Bram Cohen's Pinwheel design. The previous version was 3D printed. This Pinwheel has a jamming problem so only 2 wood versions of this design were made before changes were made for another Pinwheel design without the ...

This five piece burr was Tomas Linden's souvenir puzzle for IPP23.

Exchange puzzle for IPP26 by Walt Hoppe. 12 moves by four pieces are needed to remove the first piece.

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 t...