Auction Blocks is a bidding game for Stonehenge. Stonehenge is being dismantled, and everyone wants a piece! The thirty stones of the outer ring are auctioned, one at a time, and then the five trilithons. Players place blind bids for a stone, but the bids utilize the trump rule of a trick-taking game. Additionally, a player may include a trilithon card with their bid to nullify that trump rule, making that particular auction a standard blind bid. The winner of an auction gets the stone, which is worth points equal to however many of that stone she now has (x2 if the new acquisition is a trilithon). The winner of the auction gets no new cards, and the lowest non-zero bid gets two new cards everyone else, one. The first player to 20 points wins or, if the last trilithon is auctioned with no one getting there, the highest score wins.Auction Blocks is an official game for Stonehenge. - BoardGameGeek