a small but very well made 'Devil's knot' or diagonal burr.including original box and description.Ships worldwide from The Netherlands.Buyer pays shipping and fees.

Like A-MAIZ-ING by Nob / Toyo Glass you have to fit the pieces of corn in the glass.All parts made of plastics.includes information/solution sheet.Ships worldwide from The Netherlands.Buyer pays shipping and fees.

in original box a complete set of Oh Mutter.This is the German version of Drive ya Nuts.Ships worldwide from The Netherlands.Buyer pays shipping and fees.

Union Squares designed by Rod Bogart as an IPP29 exchange puzzle, made from Livecubes. Puzzle weighs 11 oz.

Change puzzle, design by Yamamoto Hiroshi, you take the pieces in the tray (each made of black and white components) and arrange them so as to make the various pictures shown in the instructions. Harder than I expected. Weighs 8.5 oz.

Geometrix - Nabucho, Quirinus, and Ormazd. Three different designs of the well-known "missing square" puzzle; cramming an extra piece into an already full area. You have to turn over the tray to get the little square out. The three layouts are shown on the back of the packages, which you can see in the picture. The set of three puzzles weighs 15.5 oz.

Star Xi Puzzle, designed by Yoshiyuki Kotani, laser cut by LLC. Object; put the five pieces together in a star shape. Weighs 6.1 oz

This is a 5x5x5 cube with a hole through the middle. Made by Steve Strickland.More details from the designer - Watson's wormhole

A three piece burr that has 2 mazes inside it. This puzzle is not numbered as it was one of the designers copies.See Minotaur's Burr for the original listing on Mr Puzzles Site.

Yeah, everyone needs a few of these in their collection. Philosopher's Knot; not sure about the manufacturer, might be Futuristix. About 20-30 years old. No box, no instructions, take it apart and put it back together.

My IPP32 exchange puzzle. Pack the 13 L-shaped pieces into the frames on either side. The pieces can also be packed into a 4x4x4 cube and other 3D shapes. Puzzle includes an 8 page booklet of challenges. Comes in a clear plastic box, you can store the puzzle in the solved or unsolved state.The pieces are 9mm thick, this puzzle is fairly heavy for an acrylic puzzle, as I recall 100 of these puzzles weighed 33 pounds or 15 kilos.

This was Wei-Hwa Huang's IPP28 exchange puzzle. The aim is to match up five pairs among the ten pieces (two are shown in the photo) so all the pieces can nest in the cylindrical container. The problem can be interpreted in terms of a connectivity graph.Top has on it "(c) Wei-Hwa & Oskar", the latter referring to Oskar van Deventer.

An IPP31 Exchange puzzle from A. Kalinin.It is easy to pack the 4 duckings in the top lake. Not so easy in the bottom lake!I wanted to give others the opportunity to try this fun puzzle.

Fit the extra triangle into the seemingly full tray.

Designed by Marcus Gotz and fashioned beautifully by Eric Fuller from woods which include walnut, sapele, yellowheart, wenge, maple, bloodwood, padauk, rosewood, holly and purpleheart with a cherry stand, this is a sliding tile puzzle with an extra dimension.

From an unknown craftsman this is a 6 piece burr in solid oak.It's made from rods 1 cm square and some 8 centimetres long.Not the hardest 6 piece burr but a nice puzzle.Ships worldwide from The Netherlands.Buyer pays shipping and fees.

Including directions this is a Pyrix puzzle!Send to you in a clear box, since the original box is gone.for more info have a look here: http://www.jaapsch.net/puzzles/pyrix.htmShips worldwide from The Netherlands.Buyer pays shipping and fees.

From Belgium these are two boxes with the red and green geometrics.The series consists of, I believe, 6 versions in total.Each box contains five tangram like puzzles to be put together.Ships worldwide from The Netherlands.Buyer pays shipping and fees.

This is the late Tom Rodgers' IPP31 (Berlin, 2011) exchange gift. "Assemble the six pieces such that each piece interlocks with another one. This puzzle has 8 symmetrical solutions, but only one that fits easily inside the jar. Find this assembly." Comes with the jar and a label which, incorrectly, claims it's from IPP "31". This is Stewart Coffin's design #247. One piece signed "247 STC 2010"

A-MAIZ-ING - fit a bunch of sections of a corn cob in a glass. Puzzle comes unsolved. Toyo Glass, designer Nob Yoshigahara. In original box. Weighs 15 ounces with shipping box.