The Triple Dovetail Triangle is number 3 in Robert Rose's Mental Block Puzzles series. It is exceptionally sturdy and beautifully machined from aluminum.Shipping will be calculated after the auction ends.PayPal Family & Friends accepted.

Hoffmann's Barrel & Ball PuzzleObject is to remove the ball which is inside the barrel. Measures 2-1/4" HMaterial - Aluminum & Plastic RodShipping will be calculated after the auction ends.PayPal Family & Friends accepted.

The Pentagon box was originally designed by Akio Kamei, this version is a reproduction made by Bits And Pieces.  It is in fact one of the better made Bits and Pieces Puzzle Boxes. Measures 5-3/4" x 5-1/2" x 1-3/4"Shipping will be calculated after the auction ends.PayPal Family & Friends accepted.