one of 20 copies made by Eric Fuller in 2010 from bocote, jacarandá-pardo, granadillo, and holly splines.  physical condition is excellent with no warping. will be sent unassembled and with the original 'keys' in place (shown in the last two photos) to prevent bending during shipping. Eric's description (https://cubicdissection.com/products/oskars-paperclips-2010): I made a very small batch of this excellent puzzle five years ago, and thought it was time for another one. ...

this is one of the darker versions (to try to match my own cat, naturally).  not sure how many were made, the website only says 'Number of pieces: Secret'. there is no documentation, although i'm sure the solution is still available from Juno on request. website description: https://shop.pluredro.com/collections/archive/products/mittan please do not send payment until the invoice is updated with the shipping cost. shipment will be by USPS Priority Mail, insured for...

Nintendo Crossover Polarized Light Puzzle (1981) with original case and instruction sheet.everything in in perfect condition, and movement of all sliders is very smooth (with a subtle and very satisfying 'click' when locking into position). this puzzle was made in very small quantities with a rather delicate mechanism.  it is rare to find one complete and in good condition. please do not send payment until the invoice is updated with the shipping cost. shipment...

this is number 30 of 50 made.  includes original solution booklet and Stickman coin inside. please do not send payment until the invoice is updated with the shipping cost. shipment will be by USPS Priority Mail, insured for the full sale price. payment is via PayPal only. ♪: all puzzles in my collection have been kept out of sunlight, in a humidity-stable room, away from pets unless they can solve them, and in a non-smoking household.thank you for looki...

this copy was made after 2011 and is smaller than the original.  (the original 3.5" x 2.6"; this is 2.9" x 2.3".) it has a highly buffed wax finish which shows a little wear on the bottom [see last photo].  please do not send payment until the invoice is updated with the shipping cost. shipment will be by USPS Priority Mail, insured for the full sale price. payment is via PayPal only. ♪: all puzzles in my collection have been kept out of sunli...

comes with original paperwork.  original description from the Mr. Puzzle website: SEARious Burr 13 piece burr with secret lock Edward Hordern IPP23 Puzzle Exchange – Chicago, USA. August 2003. 200 made. Presented by Brian Young.  Made by Mr Puzzle Australia. Designed by Brian Young. Original Price: AU$90.00 This puzzle was Brian’s first step towards a true sequential discovery puzzle. Inspired by Gary Foshee’s lecture about the Safe Gary had made as an IPP host gift for Edwar...