Original puzzle from Stewart Coffin, his design #186.  The last time one was up for auction was in 2009!  DescriptionThis puzzle consists of six polyomino pieces and a two-sided tray.GoalsProblem 1: Assemble the pieces on this side to form a 5x5 square. There are 12 solutions. How many can you discover? One is shown: (see photo)Problem 2: Now turn the tray over and assemble any or all of these solutions on the other side, making use of both the top opening and the side slot. All 12 are possib...

This very clever design by Stewart features Maple spheres attached into a variety of pieces with three different goals.  The Maple Box and Lid are integral to each solution.This puzzle was IPP Founder Jerry Slocum’s Exchange Gift for IPP 25 in Helsinki.Comes with goal instruction sheet pasted to the underside of Lid.Shipping cost to be determined at close of auction.

This clever design by Stewart features 6 pieces that need to be packed into the box that has an obstructed opening.  Saul used this as his IPP 37 Exchange Gift and renamed it ‘Double Feature’.Pieces are Walnut with a Maple Box and Mahogany Lid.  Comes with original cardboard sleeve with printed information.Shipping cost to be determined at close of auction.

This diminutive puzzle is a very difficult assembly puzzle with a unique solution by Kevin.  It was developed using pieces taken from 9 different of Kevin’s designs.  It was an IPP 22 Exchange Gift.I made a Box and Lid from Leopardwood  and Wenge Slipfeathers with an inner clamshell box made from Black Limba.Comes with original packaging with information sheet.Shipping cost to be confirmed at close of auction.

I’m offering up Bill’s version of Stewart’s iconic puzzle.  Bill beautifully crafted this copy from White Oak and finished in Oil.  This was used as Norton Starr’s IPP 37 Exchange Gift.In 2023 I made a Box with Lid to house this puzzle from Zebrawood, Roasted Ash and Wenge with Spalted Beech Slipfeathers.It comes with the original cardboard box with information sheet with historical notes.Shipping cost to be confirmed at close of auction.

Invented by Stewart Coffin.  It is his design number 25A.  Check out the original patent from 1973!This version is injection-molded plastic with rods that are 2.5" long.The puzzle is located in the United States, but I will ship worldwide.Customs forms for international shipments will reflect actual payments.Payments can be made through PayPal (Friends & Family preferred).Buyer to pay shipping calculated after auctionBuyer may choose supplemental insurance at their expense.Please wait for t...

This gorgeous and hefty six-piece burr weighs in at exactly one pound.  The pieces are incredibly satisfying to look at and to handle.  It is such a rare piece that even the nice people at Pelikan had a hard time identifying it.  Eventually, in their archives, they discovered a page showing some puzzles from the Pelikan Exclusive line, including this Star Ball Burr 2003.  The six pieces are different from each other.  The assembly is quite challenging.  I was only able to find a single ...