This unusual 3 piece burr has an unusual solution. It was made to look hand finished, so the 'rough' look to the puzzle was as it was sold and is intentional. Only 5 of this puzzle were made.The puzzle can be send assembled or diassembled and it is fairly heavy for it's size, so shipping will reflect this.

3 of Martin Raynesford's Fractal Tray Jigsaws.Very tricky to solve.Ships disassembled.Please wait for end of auction for final invoice with shipping cost.No additional fees will be required.Ships Priority US and 1st Class International unless requested otherwise.

The original CMY cube. (50mm) A very cool science/desk toy!(Click the link below for the original product page with more detailed info and pictures.)https://cmycubes.com/collections/cmy-shapes/products/the-original-cube?variant=36035258417316Shipping cost within the US: $5 (USPS Priority 2 Day Mail)Shipping cost outside the US: TBC (USPS First Class International Mail)

I love this puzzle so much, I somehow collected two of them and figured someone else should get the chance to enjoy it. This is a very popular, sold out packing puzzle with an excellent ah-ha moment.

A reproduction from a turn of the century promotional piece during the presidential election of 1896.This puzzle design is almost equal to Hanayama's cast laby puzzle, produced around 1996.The main differences are the text and the colour.It comes with a solution sheet that also describes the background of the design.The goal is to navigate the double sided maze on one of the two rings and ultimately seperate the two parts.

From Rob's Puzzle Page - "An enigmatic 1" square circuit board with a red LED in the center and a membrane button on each of the four top edges - marked 1, 10, 100, 1000. Insert the coin cell battery and the LED starts blinking. What does it all mean?"

Dexerity with a twist! This puzzle by the wonderful mind of Kohno Ichiro is a real treat that displays very well. A clever mechanism as you separate the ball and get them where they need to be.Shipping can be combined to reduce costs, so please check out my other listing, with all shipping sent tracked when possible.

Rotor, Chain, G's, Trinity, and Gears?Please wait for end of auction for final invoice with shipping cost.No additional fees will be required.Ships Priority US and 1st Class International unless requested otherwise.

Unique and very unusual puzzle by Oscar Van Deventer and manufactured by Bits & Pieces.After the end of the auction the final shipping cost will be calculated.Payment options : Paypal, SEPA bank transfer (EU countries) and Wise.

Interesting take apart metal puzzle by Eureka.As new, only played once with this puzzle.Please look at my other puzzles for sale, postage costs for several buys will be combined.

Interesting take apart metal puzzle by Eureka.Please look at my other puzzles for sale, postage costs for several buys will be combined.

Interesting take apart metal puzzle by Eureka.As new, only played once with this puzzle.Please look at my other puzzles for sale, postage costs for several buys will be combined.

The goal of the Copernisis is to open the key chamber.But in order to do that you must solve some complex riddles.Sent in original leather box packaging.

An extremely difficult puzzle. Some may say - too difficult.This Black and Gold version is pretty rare as far as I know.It comes with some encrypted clues so contact me if you win and I'll send them to you.

BOOM Box by Tyler Williams (aka BeardswoodshopCo)Sequential discovery puzzle box from Tyler Williams.  The puzzle obviously resembles a detonator for TNT.  Several steps to open, with tools.This was a fun puzzle that we solved several times and we’ve enjoyed sharing this one with new puzzlers too.  The cedar in this puzzle looks fantastic, and it smells great.  There were some areas where the finish was a little uneven, but I polished it with Renaissance Wax and this further enhanced...

One of the famous hand painted box by Makishi, this one is a 8 move one and dated from 1999 from t very early production, hand signed and dated (see pictures)Here are what some famous blogger told about these:http://puzzle-obsessed.blogspot.com/2011/03/makishi-puzzle-boxes.html?m=1http://allardspuzzlingtimes.blogspot.com/2012/03/makishi-puzzle-boxes.html?m=1

Description from Puzzlemaster"Flohcircus (or Flea Circus) is an intriguing puzzle box that features a plexi-glass front and a wooden hemisphere on the opposite side.  The objective is to figure out how to open the box.Made in laser-cut wood and stainless steel by Jean-Claude Constantin. Jean-Claude Constantin lives in Germany, where he designs and manufactures many different wood and metal puzzle, as well as magic tricks."

Perennial Puzzle Exchange participant Mike Hawthorne's exchange puzzle at IPP20 held in Los Angeles in 2000.  The object of the puzzle is to use the 8 blocks with holes and pegs to create a variety of block shapes and ring shapes --- 45 challenges in all!The puzzle is as new in its original box, complete with original paperwork (challenges and solutions sheet).I will ship within the US at insured priority mail pricing (around $10), and am happy to ship overseas at cost, but I cannot alway...

This Kryptonite Puzzle By Laszlo Molnar is all the bang for your buck!! 7 challenges included. With different combinations of pieces. Wether using 1,2, or 3 of the openings. Or with straight movements or rotations. This puzzle took me several weeks to solve all 7 challenges. By no means is it a basic cube frame filling puzzle. But I wouldn’t expect anything less from Laszlo Molnar. The puzzle is in great condition. It was simply solved then stored in an airtight container with Boveda humidity...

"Over the Top Cone or Disc Puzzle," an early 1900's version of the classing Towers of Hanoi puzzle.  This antique is in very good shape.  The box is sturdy, but a couple of pieces of the label have been marred.I will ship within the US at insured priority mail pricing (around $10), and am happy to ship overseas at cost, but I cannot always guarantee that overseas packages can be insured.  Minimum overseas charge for packages is $15.50 (without insurance).  Thank you for viewing my auct...