I know that Big Money is this weeks weekly win it game for tokens.
When I was browsing the prize center I seen this under the $100 amazon Gift card
"$500 in Amazon.com Gift Cards - If you're talented and lucky enough to land on spots 1, 100, 200, 300, or 400 - you'll score BIG"
Was Mahjong last weeks , weekly win it and were these the prizes?