The wood is not cut or split. How did the nail get in? These puzzles are ones from my personal collection that I no longer have room for.Shipping cost will be calculated after the end of the auction. Winning bidder will pay the actual postage amount plus $3 for the first item and $1 for each additional item to pay for packaging costs. Please add 3.5% for paypal payment.

Puzzle design by James Ferguson, object design by Peter Knoppers and Oskar, made by Buttonius Puzzles & Plastics. From the attached instructions, "Henry Dudeney presented this 'Mechanical Paradox' and its solution in Modern Puzzles (1926).""This remarkable device was contrived by James Ferguson in 1751 as a challenge to a sceptical watchmaker during a metaphysical controversy. 'Suppose', Ferguson said, 'I make one wheel as thick as 3 others and cut teeth in them all, and then put the three w...

not sure if this is more of an impossible object or dexterity puzzle...the object is to remove the stick and nuts and bolts from the bottle (without breaking the bottle),then reassembling at...very difficult, but it can be done.buyer is responsible for all shipping expenses and money transfer fees (including paypal) if applicable

FOR AUCTION IS 1 MINI RUBIK CUBE INSIDE A KIKKOMAN SAUCE GLASS BOTTLE.. CUBE IS FULLY FUNCTIONAL