It is a Puzzle of an early Harley Knuckle Head Motor by Rocky Chiaro.Object: Take the motor apart.

The Trick Bolt #1 is made from brass which gives it this aged look. It feels heavy and sturdy, but no extra force or tools are necessary to solve it. The goal is to simply remove the nut from the bolt and be able to remove the ring as well, but the solution is not that simple. Appearances can be deceiving and you’ll understand this once you finally see its mechanism.The Trick Bolt #2 is also made from solid brass and looks just like the real thing. Can you remove the ring by finding out how to...

The Lunatic Lock is made from brushed aluminum which makes the puzzle lighter than other types of metal. Like any other Trick Lock, the goal is to open it by figuring out the hidden mechanism.

Separate the curled metal parts from each other! Design: Doug Engel.

From Cubic Dissection:Ronald Kint-Bruynseels is a very progressive designer who has a knack for thinking in new directions. The beauty of his designs is that he achieves incredibly high level puzzles with relatively simple shapes...This beautiful and unconventional puzzle has a unique level 17-14 solution. An incredibly difficult puzzle that can easily be displayed as a work of art once solved.

From Eric Fuller / Cubic Dissection:The unique shape of the Rough Night Burr is what initially caught my eye. Combine that with a very elegant set of pieces (two sets of three identical), a unique level 4.5.2.3.3 solution, and some very very tricky moves and you come up with a winner. While this design isn't as new as many from this update, it was beggining to be made and I'm glad I did. The assembly has a lot of movement but no shortcuts or illegal moves. The final assembly is quite stable and ...

This is a stunning puzzle made entirely from aluminum. Comprised of four pieces in two different types, the goal is to take them apart and reassemble them again. It might be easier to separate the pieces, but putting them together again will require some skill and dexterity. Do you have steady hands for this task? An original design by Doug Engel.

An unusual three-piece puzzle made of coated aluminum. The goal is to free the ball in the center by taking apart the three pieces. As a level 8 it can be rather challenging, but putting it back together will require even more skill and dexterity. Designed by metal puzzle craftsman Doug Engel.

The object of this puzzle is to dissemble the brass Pyramid.Designed by metal puzzle craftsman Doug Engel.This puzzle is UNSOLVED.

From the original description:Meaning 'Jewelry Box' in German, the Schmuckdose puzzle is indeed well-sized for holding jewelry and other small items in its felt-lined interior compartment. The box lid can move up and down on a spring, but further action is required to solve the puzzle. Measures 3.94 in x 3.15 in x 1.57 in (10 cm x 8 cm x 4 cm).Jean-Claude Constantin lives in Germany, where he designs and manufactures many different laser-cut wood puzzles, as well as metal puzzles and magic trick...

From the original description:Store your most treasured keepsakes in the secret compartment of this handcrafted rosewood puzzle box. Once you have unlocked the mystery of the box, do not give anyone else the "key" to opening it! This item measures 2-1/2" x 5-3/4" x 2-3/4". Shipping is $10 in the US for Priority Mail. International shipping is $20 for first class and $35 for Priority Mail. Buyer is responsible for money transfer fees (3.75% for Paypal). Note that if your country charges import du...

Trick opening box by Akio Kamei in walnut and in original Karakuri packaging.

4-piece cube assembly with a trick to release the first piece. Beautifully made from olive and bubinga complete with display stand. Check out Mike's original comments at www.puzzzlevision.com

Trick opening box by Hideaki Kawashima in wenge and maple with magnolia and shiuri cherry used inside. Solution included in original packaging.

This puzzle is a groundbreaking and highly anticipated design. Only 30 copies have ever been made in the past, and Brian at Mr. Puzzle sold them out very quicky. The Ternary burr consists of 22 pieces, with over 90 notches and and grooves. The unique solution requires 75 moves to get the first piece out, and over 90 moves to completely disassemble the puzzle. A very difficult work of art!Here is what the designer, Pit, has to say about it: "One evening, I was playing with Bill Cutler’s Binary ...

The object of the puzzle is to remove the coin. The puzzle is made from precision laser cut acrylic.

Beautifully crafted, clever puzzle box.

Moves nicely. Upper and lower panels seem to have shrunk leaving .5mm gaps also a small abrasion on the right panel (see pictures). All in all a nice example of a Makishi box.

Three cubes are connected.It is impossible to separate them.It takes 38 (8+7+8+7+8) moves to open all the lids at the same time.From the Karakuri Creation group - includes original box and solution

This box has some minor scratches on the top and bottom faces. These faces are also a little shiny from skin oils from trying to move them. See photos.From the official description:RELEASED: 1.31.2015 PRODUCED: 49 Copies DESIGNER: Eric Fuller CRAFTSMAN: Eric Fuller MATERIAL: Cherry, Peruvian Walnut COMMENTS: Ages ago I made a couple of smaller puzzle boxes with mitered corners and reinforcing splines. APpropriately enough, I called them the "Splined Boxes...