Get Hooked nail puzzle on wood stand
19 August 1995Standard Range original version of the puzzle made from August 1995. Brian’s redesigned version was made from January 1998 to December 2002. 4445 made in…

This six block burr has a solid piece which locks it together.
The earliest known example of this puzzle was being sold as The Small Devil’s Hoof in the Mathematical Amusements section of Catel’s catalogue published in Berlin in 1790 & 1793. It’s a classic and must be a part of any comprehensive range of puzzles.
Size 90mm x 90mm x 90mm (each piece 90mm x 30mm x 30mm) Packaged DISASSEMBLED for your puzzling enjoyment! This puzzle is one of the group of interlocking solid puzzles called burr puzzles. It is sold disassembled and you must rely on the photograph on the accompanying Presentation Card to know what shape to assemble the blocks in. This ensures you’ll get the maximum value from the puzzle. REMEMBER – for when all else has failed we enclose a professionally printed solution sheet.