Just The Burrs   Keychain   TakeApart / PutTogether   Sequential   Coordinate Motion   Packin It In   aMAZEing
Hanayama   Recent Gifts   Synergistics Research Corp   My Creations   Puzzles Down Under   Reiss Games
Magnif   Ebay   30 years ago   Cleverwood   Bits & Pieces   Local Stores   Dollar Tree Store   SkorMor
Chinese Puzzle Rings   3D Jigsaw   On The Wire   Got A Match   Torturous Burrs   Plastic Crystal
Pentangle   Stewart Coffin   Tavern Puzzles

HOME   Hall Of Hexadecimal Owners   Hexadecimal HISTORY   STORE   Solutions

Cuckoo Nest

Another Stewart Coffin original made from six hexagonal birch bars with attached dowels, forming a symmetrical cluster .   A higher-level version is called Locked Nest (aka The Monster), with twelve bars instead of six .

Expanding Cube

. . . Stewart Coffin's creation . It was the first copy made .   By sheer gravity design, after initial connection, all the pieces close in towards the center .   One only needs to grasp the puzzle by two of its pieces to start all of them expanding until total disengagement is reached, thus making it a true coordinate-motion puzzle .

3pc Block

I have designed several styles from this original . . .  here

Star of David

A shape-changing puzzle from Stewart Coffin .
Six interlocking, dissimilar pieces of Honduras Mahogany which assemble different ways to form various geometrical figures having an axis of symmetry .   The assembled puzzle has the shape of a symmetrical column with the Star of David as cross-sectional end faces .

Different assembly combinations yield the different shapes .
You can view the solution  here

PinHole   . . . from Stewart Coffin .
So called because the locking mechanism are wooden dowels that set into their complimentary holes .


Made from Hydrastone - a combination of US Gypsum "industrial strength" Portland cement and plaster .
Two-Dimensional combinatorial hexagon puzzle .


Pentangle's version is called 'Wookey Hole' .
Made of Cherry, Mahogany, Maple, Rosewood & Padauk .