Featured Listings in Impossible Objects

3 listings found. Showing results 1 to 3
MBP #1 Double Dovetail Square by Robert Rose

Double Dovetail Square is number 1 in Robert Rose's MBP (Mental Block Puzzle) series. Robert sold a bunch of his puzzles at IPP 23 in Chicago and, sadly, passed away befo...

USD 50.00
Steve (119 )

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Six ways in, No Way out : Robert Sandfield's IPP 24 Exchange Puzzle.

You don't get huge numbers of impossible object puzzles at IPP exchanges but this is one of them. A steel ball forever trapped in a poplar cage with no way to escape and ...

USD 20.00
Steve (119 )

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MBP #3 Triple Dovetail Triangle by Robert Rose

Triple Dovetail Triangle is number 3 in Robert Rose's MBP (Mental Block Puzzle) series. Robert sold a bunch of his puzzles at IPP 23 in Chicago and, sadly, passed away be...

USD 50.00
Steve (119 )

0 bids   Starts in