From the announcement:
Now- Dec 5th
Pre-Order Kerub's Bazaar and Duel Pack #2 and get a Kwismas Present! AND we have some crazy Holiday season mark downs! All Season 1 Window Boxes are now $20, Frigost is now $30 and Multiman is now $30!!!
AND Japanime Games is committed to spreading the Holiday cheer this year so for every $100 generated with the sale (between now and December 5th) Japanime Game will donate a game to Toys for Tots!