Every month, visitors to the Hattifattener Day will be gifted potting stickers with designs that change every month and are sure to be a hit. They can be enjoyed by sticking them on their smartphones or on a collection mount.

・Diameter 28mm

We have prepared a special mount so that you can enjoy collecting different designs each month. (A5 size)
Have fun collecting stickers on a backing card designed with a background color inspired by Hattifatteners and illustrations of the Hattifatteners' barometers that appear in the story.
* "HATTIVATTIPÄIVÄ" is Finnish for Hattifattener Day.

The mount is here

*Please print it out yourself and use it.

We sell art lattes with limited original designs every month.
■ Sales price: 980 yen (tax included)
■ Sales location: Library Cafe (Kokemus 2nd floor)
※The photograph is an image.

In "MERENHUISKE ODYSSEY", a game where you roll a ball and aim for bingo, you can get one extra ball only on "Hattifattener Day"!
*The plush toys you receive will vary depending on the season.

■Price: 700 yen (tax included)

We will be launching a "Novelty Reservation Service" exclusively for Premium Annual Passport holders, which will allow you to receive your benefits more conveniently.
■Service start date: February 11, 2026
■How to issue: When the time comes, log in to your Annual Passport account and go to "Reservation Management" and check the "Annual Passport" ticket page. A link to the page you are looking for will be displayed.
■How to redeem: Present your redemption ticket at the information center inside Moominvalley Park during the period.
■ Eligible benefits: Hattifattener Day art design potting sticker (not for sale)