This puzzle is made by Lee Krasnow, Lee has this to say about Stewart Coffins design "Design notes: this difficult puzzle consists of 12 pieces, ten of which are the same rotationally symmetrical shape. Of the remaining two, one is missing an end block (it's the key piece) and the other one has that missing end block augmented onto its side. They assemble into a symmetrical cluster, and although the shape is not obvious, it is not too difficult to figure out how the pieces ...

Like Stewart Coffin's Diagonal Cube, the external appearance of this puzzle deceptively hides its internal construction. It is similar to the Crowded Cluster, but uses rhombic pyramid blocks with truncated faces instead of prism blocks. The puzzle is made from three each of left and right handed pieces, which are color coded to ensure that only one solution has color symmetry. Assembly is fairly easy for anyone familiar with puzzles based on the Diagonal Burr. According to ...

One of my favorite designs. These puzzles are examples of workmanship that I don't care if they sell, they are so well made it is WOW!

IMPORTANT – PLEASE READ! This item is being sold on consignment – I am listing it on behalf of an anonymous seller. I have the item currently in my possession and will complete the transaction on behalf of the seller should the item sell. <P> Please note that this auction features a reserve. The reserve can be thought of as a silent bid by the seller. If the reserve price is not met before the end of the auction, the item will not be sold and the anti-snipe feature will not be acti...

IMPORTANT – PLEASE READ!<br>This item is being sold on consignment – I am listing it on behalf of an anonymous seller. I have the item currently in my possession and will complete the transaction on behalf of the seller should the item sell. <P> Please note that this auction features a reserve. The reserve can be thought of as a silent bid by the seller. If the reserve price is not met before the end of the auction, the item will not be sold and the anti-snipe feature will no...

IMPORTANT – PLEASE READ!<br> This item is being sold on consignment – I am listing it on behalf of an anonymous seller. I have the item currently in my possession and will complete the transaction on behalf of the seller should the item sell. <P> Please note that this auction features a reserve. The reserve can be thought of as a silent bid by the seller. If the reserve price is not met before the end of the auction, the item will not be sold and the anti-snipe feature wil...

Puzzle Parade by Morley Adams, published in 1948 by Faber and Faber. This little hardbound is in very good condition, with the exception of the dust jacket which is poor, with a couple of pieces missing out of the spine, heavy wear, and a bit missing out of the bottom back cover. After I took the photo, I enclosed the DJ in a Brodart cover. There is an interesting variety of puzzles in here, including Five Minute Mysteries, Crosswords, math puzzles, word puzzles and other unusual picture puzzles...

This is a group of four paperbacks of "lateral thinking puzzles." "Test Your Lateral Thinking IQ" by Paul Sloan, fine condition, 94 pages. Published by Sterling Publishing.Lateral Logic Puzzles, by Erwin Brecher, very good condition with some mild cover wear, 96 pages.Improve Your Lateral Thinking (Puzzles to Challenge your Mind), Paul Sloane and Des MacHale, 96 pages, 1995, very good condition.Lateral Thinking Puzzles, Paul Sloane, 1992, poor condition, some pages loose from spine (but they are...

The Mensa Puzzle Book is a compendium of A Mensa Puzzle Book and A Second Mensa Puzzle Book. 200-some puzzles. This is a hardbound book, has no DJ (don't think it had one to start with, but I don't know), published in 1991 by Treasure Press. Cover has a few small dings, but is very good overall. Pages starting to yellow.

"Merlin Book of Logic Puzzles" by Margaret C. Edmiston and "Amazing Logic Puzzles" by Norman D. Willis. Both published by Sterling Publishing Co. in 1992 and 1994 respectively. Both paperbacks, and obviously both full of an interesting variety of logic puzzles. Both 128 pages long, "Merlin" has a small crease in the corner of the front cover, "Amazing" is in fine condition.

There are 8 square cards and 1 start and 1 goal cards. The 8 square cards have pictures on the front and on the back side.You have to arrange the cards in such way that there is a way from start to goal. If you have make your path it should be also possible to pick up the 4 keys which are on the path. The puzzle is from 1995

from mrpuzzle australia...There have been a few puzzles using similar topology released over the years, but while this design appears simple to solve at first, it will actually prove very difficult.the disk is design NOT to go through the loop.Buyer is responsible for shipping and paypal fees

from puzzleworld.org:The objective of the Clive Cube is to remove the rods. This is accomplished by turning and sliding the rods in a particular order. It is a six-step operation. When removed, the rods have several round notches which form the "lock".Buyer is responsible for shipping and paypal fees

This is a very difficult 9-piece jigsaw puzzle. There is no picture to assemble. Instead, the puzzler must find the correct orientation of the 9 pieces to assemble them into a 3 x 3 grid.Used, but in excellent condition.Buyer pays actual postage. I will ship via US Postal Service. Domestic buyers can choose either first class or Priority Mail (both with Delivery Confirmation). Contact me for international shipping options.

This is in like-new condition.Buyer pays actual postage. I will ship via US Postal Service. First class or Priority mail (both with Delivery Confirmation) for domestic purchase - buyer's choice. Contact me for international shipping options.Here is the official description from Cubic Dissection (the price refers to the original retail price):***************DESIGNER: Unknown CRAFTSMAN: Eric Fuller MATERIAL: Premium...

from pentangle/cleverwood.com“This puzzle is primarily meant to arouse and confuse you rather than lead you a merry dance. A ball is concealed inside the assembly and obstructs the movement of the pieces in certain locations. By orientating the puzzle in different ways the ball can be moved, thus making it possible to take the assembly apart completely. You are next faced with a much more difficult task - reassembly Including the ball! CAN YOU HOLD A ‘BALL’ IN THE ...

here's Stewart Coffin's challenge of this puzzle:An interesting puzzle is suggested by joining 1 x 2 x 2 blocks in pairs all possible ways. The resulting 10 pieces are shown in Fig. 60. They can be assembled into a 4 x 4 x 5 solid, and there are said to be 25 solutions. Now eliminate the two pieces that are themselves rectangular, and see if the remaining eight (shaded) will assemble into a 4 x 4 x 4 cube. After you have become convinced that they will not, find a set that will by duplicati...

The object of the Hong Kong Horror is to remove the wand or loop, locked in the bottom trapeze... No force is needed to solve this puzzle... Comes with a stand (which doesn't work very well...)and a solution (which works just fine...)Buyer is responsible for shipping and paypal fees

This puzzle was made for some exhibitions.The icosahodron puzzle has c. 50 cm in diameter.The wedge of this icosahedron has c. 32 cm.For this puzzle was used balls in diameter 45 mm.The using wood is beech and colored beech.On the wedge of the icosahedron is 8 wooden balls.There is 10 different pieces - together 80 pieces.For this puzzle was used 362 wooden balls.The puzzle has c. 14 kg.Shipping cost around the Europe is 80 USD.Shipping cost to USA is 220 USD.

The object of the puzzle is to disassemble the thirty pieces and reassemble into this attractive collection of stellated rhombic dodecahedrons. This puzzle was conceived whilst making the Diagonal Twins exchange puzzle for IPP25. Brian just kept extending pieces to see where it would lead.tThere are 288 saw cuts in this puzzle. Each piece is cut from a single piece of wood. No glue is used in the puzzle. The very fine tolerances of each saw cut are the secret to it fitting together ...