Too late for the no purchase mail-in option, so you have today and tomorrow to make a purchase in one of the stores listed on the contest page (shown in French) to enter to win your purchase.
https://boutique.ricardocuisine.com/...vice/concours/

Winners will be drawn from the in-store entries made. Mail-in entries received by May 12 will be entered to the store purchase entries for the draw.