Information from Rainer Popp:The lock is a homage to the old 'bullring' locks. Those locks had no classical shackle. The shackle is a ring with a gap. It is possible to turn this ring when the lock is open. Four steps to open. A massive lock with 900 gram weight. Manufactured from Brass and Stainless Steel.

This puzzle is Trevor Wood number TW09. Each of the 9 pieces are made up of two combined tiles. The object is to pack all the pieces into the box.The puzzle has a unique solution. The top of the cover is Padauk. I do not know what wood the sides of the box are. The tiles are a dark exotic wood possibly Macassar Ebony. The bottom of the box is stamped TW.

Information from Rainer Popp:This lock features an extraordinary design and an unusual Trick. 5 Steps to open. Manufactured from Brass and Stainless Steel.

These are two of Wil Strijbos bolt puzzlesthey were purchased in the early '90s from Ishi Press.one of them was called the Bomb, the other is unknown.I don't know where they fit in Wil's current series of bolts.

Fire Plug (AKA: Fire Hydrant & Play With Fire) is a take apart type puzzle, designed by Marcel Gillen in 1999.The objective is to remove the dog from inside the hydrant.

Information from Rainer Popp:After Popplock T1 there was the call for a lock with an affordable price which could be opened in a reasonable amount of time. T2 comes with a key and has 6 steps to open. Manufactured from Brass and Stainless Steel.

The Golden Ratio Puzzle Box # 2 IPP 34 Top Ten Vote Getter Winner The Golden Ratio Box was my entry into the 2014 IPP 34 Nob Yohisgahara Puzzle Design Competition and I was very happy to receive a Top Ten Vote Getter Award for the design. I now have 4 available for collectors of the limited edition run of 7. The boxes are crafted with an exterior of Roasted Birdseye Maple and Padauk and an interior of Curly Maple. The Golden Ratio box has a solution of 9 moves to discover all of its sec...

A unique puzzle that separates into 4 pieces, each composed of "planks" that are 1 unit by 4 units in size, and where the pieces are attached at 90 degree angles. Made in four different woods by Jean-Claude Constantin, who lives in Germany and designs/manufactures many different puzzles using different materials (wood, metal, etc.). Puzzle has a modern sculptural look that displays well in any collection. There's some slight bending of certain planks, but no significant effect on the o...

included in this lot:Escape from the Web Saul BobroffSnake in the Grass James DalgetyShades of Donuts Bill DarrahFire and Air Rene DawirNext Floor Oskar van DeventerL-Pyramid Marcel GillenStar 29 Douglas EngelIPP-edron Pantazis HoulisSelf-Referential Tiles Wei-Hwa HuangEmerald Isle James KerleyTurnip Puzzle Vladimir KrasnoukhovJungle Puzzle Part 2 Yee Dian LeeBlack or White Tomas LindenDevil's Gate George MillerOne Piece Puzzle Harry NelsonMagic Fish Tsugumitsu NojiSuper H...

Tricky exchange puzzle; goal is to balance the oddly shaped piece on the edge of a box or counter or something...maybe a bar? You get the idea. This one will drive you to drink.This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is a photograph of the actual puzzle being sold.

Akio Kamei's 2013 Christmas present

This is Akio Kamei's 2009 Christmas present

This is a one-off puzzle I made for myself. Very small, yet very precise. It's quite difficult to make accurate puzzles at this scale. Involute is the second iteration of the famous Convolution puzzle. Very tricky and fun to solve.This is a very nice, one of a kind puzzle.This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is...

RELEASED:11.29.2012PRODUCED:40 CopiesDESIGNER:Gregory BenedettiCRAFTSMAN:Eric FullerMATERIAL:Sapele / WengeCOMMENTS:This is the companion puzzle to the much easier "Two Halved Cage 3b". The last one gave an idea of the concept; this one kicks it up several notches!This non-millable six piece burr is surrounded by a cage split into two mirrored halves. Not only must the solver figure out the burr itself, but they must also understand the burr within the constrains of the cage. That alone would be...

RELEASED:5.30.2012PRODUCED:40 CopiesDESIGNER:Jeff NamkungCRAFTSMAN:Eric FullerMATERIAL:Canarywood / Cocobolo - Sapele / EbonyCOMMENTS:This is one of those puzzle designs I almost passed up. A couple customers emailed me, asking if I Would make it. Looked like a normal 4x4 cube to me so I was fairly non-committal. Then several more customers chimed in over the next couple weeks, and I gave it a more serious look. While indeed a simple 4x4 cube (no rotations even!), this design steps up the diffic...

RELEASED:5.27.2013PRODUCED:42 CopiesDESIGNER:Stewart CoffinCRAFTSMAN:Eric FullerMATERIAL:Cocobolo or Ebony, Spalted Wormy Holly or Canarywood, Sapele, AcrylicCOMMENTS:I was browsing through AP-ART when my eye fell on Mr. Coffins design #187 family. I have not made a cool tray puzzle in a while, and this seemed like just the ticket. I also had a nice bunch of ebony and cocobolo that would be perfect for it!.About design #187, Stewart says:"The three puzzles in this category all have a 5×5 square...

This is a six piece burr puzzle with a level 5 solution. Not sure exactly which one. Excellent construction and lots of fun. Ships assembled!This item is from my personal collection. Shipping is $8 in the US for Priority Mail. International shipping is $18 for first class and $35 for Priority Mail. I will combine shipping for multiple items. The last picture is a photograph of the actual puzzle being sold.

A collection of six tray puzzles made by John Devost and all designed by Stewart coffin. I think they ought to stay together. They are:-Quintet in f - #253 - dated Nov. '12Cornucopia - #76 - dated Oct. '06Snowflake - the set of ten trihexes and tetrahexes - dated Sep.'13Christmas 2000 - #182 - dated Sep. '064 Sleazy Pieces - #169-A - dated Sep. '13No name - #176-A - dated Oct. '13

RELEASED:**Description taken from the original Cubic Dissection update**5.27.2013PRODUCED:40 CopiesDESIGNER:Logan KleinwaksCRAFTSMAN:Eric FullerMATERIAL:Walnut and Ash Cages, Holly piecesCOMMENTS:When Logan sent me the first puzzle in this series, the Bookend puzzle, I was very impressed. The concept was interesting, the solution tricky, and of course the finished puzzle displayed very nicely. He then followed it up with three more complimentary designs, each with a unique solution. I ...

not a terribly difficult box, but it is very pretty