Yo-kai Watch continues to take over Japan. Anime News Network reports that the Japanese postal service is releasing a special collectible stamp set with Yo-kai Watch characters.
The set contains ten sheets of 52-yen stamps, five postcards, and four sheets of envelope seals. The aforementioned items will come in a special holder with holders for the stamps, and will cost 3,900 yen.
The stamp set will be released on February 27th, 2015. Reservations will be accepted from December 18th until January 30th. (Yep. Pre-orders for stamps.)