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.
Keyhole Cube - Designed, made and presented by Rick Eason IPP 26 Boston 2006Make a solid cube from the 8 pieces. Only 9 solutions, don't require a twisting motion.Measures 2-3/4" x 2-3/4" 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.
Prison Block IPP23 Exchange Puzzle Nancy Alliegro & Alan Segal - Designed by Jean-Claude ConstantinMeasures - 3-1/4" x 3-1/4" x 1" Material - Aluminium Shipping will be calculated after the auction ends.PayPal Family & Friends accepted.