from puzzle world: A variation of Coffin's Pin Hole
puzzle which uses six 1 x 1 x 3 block bars and six dowels, all three
units long. All dowels are fastened to a bar except one. The Corner Block puzzle has a block added to each corner and fastened to one of the pieces. Very nicely made by Interlocking Puzzles
I'm selling these puzzles because I no longer have space to store or display them :(
buyer is responsible for money transfer fees (ie 3.5% for paypal), packing and shipping expenses...