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...

From Eric: I very much enjoyed making William Hu's "Simultaneous Maze" puzzle for the last update, so when I saw that Tamás had made a sequel using two mazes and one pin, I knew I had to make it. Vanyó's design uses an identical top and bottom plate to confuse and trick the solver. I won't say much about the solution but it's a lot of fun and not what you would expect. An excellent addition to your collection, and a must have to compliment the Simultaneous design.Construction was very time con...

From Eric: Double Cross was Tom Rodgers exchange puzzle at IPP 29 in San Francisco. Designated #240 by Stewart Coffin, it looks fairly simple with six thicker sticks intersected by six thinner sticks. Solving it is anything but, as the angles are very confusing and you always end up with that one piece that won't fit. I'm delighted with this puzzle, it's a heck of a lot of fun. Difficult enough to challenge an experienced puzzler while simple enough to be enjoyed by a novice.Construction of this...

This puzzle in the form of a Guitar is from the General Symmetrics company.

From IPP25 a take apart puzzle form Frank ChambersThe puzzle is to separate the two "Granite" pieces.With original instruction sheet.

Open ze BoxThe "Wow" factor awaits you inside.An exchange form Stephen Chin at IPP29

A sequential discovery puzzle box.

Fortune-Telling Pencil - Fumio Tsubarai, Karakuri Club. The sliding cover on this puzzle box is not a tight fit, and the ribbon that was glued around the circumference is buckled in one spot. Not the usual quality one expects from the Karakuri Club. Number TU-28 in their numbering system.

Granny's Tea - "Granny's Hammer" by Kelly Snake, with original instructions. Labeled #10.

ISIS IThis is The Sharper Image version of the ISIS I. The puzzle is in excellent shape with no nicks, dings, or scratches. The puzzle ships with a storage case that also doubles as a display stand as well as the original box, it does not include any 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!

SLIGHTLY STRANGE 4 STEPS SECRET BOXThis puzzle box was designed and crafted by Fumio Tsuburai of The Karakuri Group. Here is his description from the Karakuri website:It looks simple, but in fact, it is difficult.I wanted to make such a works.This work was designed for the exhibition "Heartbeat".The puzzle box ships in it's original storage box and includes a diagram and a solution written in Japanese only.Shipping can be calculated at auction close, so please allow time for that before sending ...

NAKED SECRET BOX "BLUE"This is the second box in the series that was designed and made by Akio Yamamoto and takes 9 moves to open. The puzzle box comes with a storage case and solution sheet.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!

NAVIGATOR PUZZLE BOXThe Navigator Puzzle Box was crafted and designed by Heartwood Creations. The puzzle box incorporates a key to it's unique solution. Solution is provided, but with many of Heartwoods puzzle boxes it's located on the bottom of the box, no peeking : ) 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!

Karakuri Creation Group Xmas present 2008

This was created for the Christmas present to members of Karakuri Club in 2007.　This name is the same as String Box (M-21) which was made in 1995. But the mechanism is similar to Love Box (P-2-2) which was made in 1998.You can open this box by pulling the string in the correct order.Comes with original box and instructions.Created : 11/2007

Choreographed Motion, by Andreas Röver. Four pieces in a frame that interact with each other as you try to remove them.