Search tips
Using a space will search X or Y.
"+" will search X and Y.
"-" will exclude that term from search.
Updated Aug 18, 2024
Values for auctions have been converted to USD using conversion rates from the actual date of the auction.
Click the to link
an auction to a puzzle.
Impossible Triangle of Three Cubes by Andrey Ustjuzhanin (1)
Oct 27
2019
$60.00
24 bids
Apparently Impossible Cube #1
Oct 15
2012
$198.00
33 bids
puzz
Auction:
Search here for a puzzle...