Thank you for viewing! (o^^o) This is the 2026 Reiwa 8 Kumon "Why Why" Calendar. With one question a day, there are 312 interesting "whys," and on Sunday Challenges, you'll gain knowledge about the origins and etymology of things along with their names. It will be sent in a recycled envelope or shopping bag, with a waterproof vinyl bag for protection. Shipping may be changed from Yu-Yu to Raku-Raku Mercari delivery without notice (＞人＜;) What do you think? Shipping will be done with recycled materials. Please consider it! ♪