Nut Stack: Four strange bolts are screwed onto a grub screw, and the whole thing is then placed in the container, whose shape corresponds to the "solution"! The bolts must touch each other; if there's a gap even less than 1 mm, the solution isn't right.You'll have to deal with the order of the bolts, as well as their orientation. Luckily, they can only be screwed in two ways! The bolts are numbered to help you keep track of your attempts!Dimensions: approximately 80 x 65 x 60 mm.“Nut Stack” ...

Mindanao – RexDescription:For sale: the Mindanao puzzle by Rex, known for its refined design and clever mechanism. This puzzle is perfect for collectors and enthusiasts seeking an elegant and challenging experience. Mindanao offers a unique solving journey, blending thoughtful problem-solving and dexterity. • Condition: Very good condition, handled with care. Photos available upon request. • Price: €49, non-negotiable. • Payment: PayPal Friends and Family only. Please do not send payme...

Sanib – RexDescription:For sale: the Sanib puzzle by Rex, appreciated for its original design and clever mechanism. This puzzle is perfect for collectors and enthusiasts looking for an elegant and challenging experience. Sanib offers a unique solving journey, blending thoughtful problem-solving and dexterity. • Condition: Very good condition, handled with care. Photos available upon request. • Price: €49，non-negotiable. • Payment: PayPal Friends and Family only. Please do not send pa...

Original "Java Tea" packing puzzle made by Toyo Glass in Japan (perhaps see https://www.youtube.com/watch?v=J3kiGsg7lTM for Chris Ramsay's overview and solve). The puzzle is part of Toyo Glass’s line of drink/food themed puzzles, many designed by Nobuyuki Yoshigahara. The JAVA TEA puzzle is often compared to “On the Rocks” puzzle in the same series. Puzzle is overall good condition and comes with original box and notes.

"The Barrel's Cooper" (https://www.printables.com/model/143296-barrel-coopers-puzzle-box) was designed by Joseph Kovell of 3D Printy (https://3dprinty.xyz) and shared under a Creative Commons Attribution License (CC BY 4.0) that allows commercial use. I make this puzzle with a 3D printer and good quality filaments. To solve The Barrel's Cooper, you'll need to open two secret compartments and find the "Solved" sign that certifies your success.  This puzzle ships with a nice display stand.Dim...

Karakuri Whale Type-I by Osamu Kasho. In pristine condition, solved once.·         Payment can be made through PayPal.·         Shipping costs will be calculated after auction.  Buyer to pay shipping calculated after auction. Please wait for updated invoice before making payment.

"Treasure Chest Puzzle Box" (https://3dprinty.xyz/project/36) was designed by Joseph Kovell of 3D Printy (https://3dprinty.xyz) and shared under a Creative Commons Attribution License (CC BY 4.0) that allows commercial use. I make this puzzle with a 3D printer and good quality wood filaments. To solve The Barrel's Cooper, you'll need to find a way to open it. This puzzle is also great for giving gifts, in its compartment you can put money, a ring, earrings... the exact dimensions of the compa...

A puzzle that at first glance seems simple. Just two strange gears to assemble. The goal is to assemble them so that they can rotate freely "infinitely" (i.e., 360 degrees) relative to each other without getting stuck.Each gear must be positioned on a star-shaped pin that allows only 7 different positions. However, consider that each gear can be flipped... and mounted on the right or left. In short, there are already 28 possibilities for each gear. Needless to say, the first photo is not the sol...

"6-Alarm Puzzle Box" (https://www.printables.com/model/919082-6-alarm-puzzle-box) was designed by Joseph Kovell of 3D Printy (https://3dprinty.xyz) and shared under a Creative Commons Attribution License (CC BY 4.0) that allows commercial use. I make this puzzle with a 3D printer and good quality filaments.  To solve 6-Alarm Puzzle Box, you'll need to open it, and find the 2 Bitcoin hidden inside.  Dimensions: 175 x 115 x 80 mm.    I ship from Italy all over the World. You will c...

Brand new, unopened Popplock T14 puzzle (namely this puzzle https://www.popplock.com/en/locks/t14/), meaning that it is in untouched mint condition. The lock requires 13 steps to open, according to the official solution, and has several new features. Worldwide postage available.