LEGO Store Euralille: Prizes and raffle from September 4 to 7

It's back to school in a few days and the LEGO Store in Euralille is announcing the colors with the distribution of this flyer: On the program from September 4 to 7, a "Great LEGO construction event", gifts for the first 50 visitors in possession of the flyer below, a different set (polybag?) each day offered from 30 € purchase and a raffle that promises the lucky ones "brilliant" LEGO prizes. Just that...

No other information than this scan of the flyer than BatBrick115 just sent me (A big thank you to him) and if you get more information on this operation, do not hesitate to communicate it to other readers of the blog in the comments.