The official Pokémon movie website has updated. Translations follow:

A Life-Sized Alolan Nassy Will Appear! The Next Generation World Hobby Fair '17 Winter is Taking Place

The Next Generation World Hobby Fair '17 Winter will be held at four venues across Japan: In Nagoya, Tokyo, Osaka and Fukuoka.
A life-sized Alolan Nassy will appear at the Pokémon Booth during this Next Generation World Hobby Fair '17 Winter!
It towers an incredible 10.9 meters!
Go see the gigantic Nassy that inhabits the Alola region for yourself at the venue!



Also, the Pokémon Booth this year will be filled with "Sun/Moon" events!
We will have a corner where we'll use super high-tech means to let you experience the fully powered "Z-Move" attacks that get unleashed by becoming one with your Pokémon, as well as a corner where you can excite yourself with Pokémon Card Game battles even if you don't have your own deck!
And we might have special guests show up at the Pokémon Booth as well?!

Schedule:
Sunday January 22nd: Nagoya Fair (Nagoya Dome)
Saturday January 28th and Sunday January 29th: Tokyo Fair (Makuhari Messe)
Sunday February 5th: Osaka Fair (Kyocera Dome Osaka)
Sunday February 12th: Fukuoka Fair (Fukuoka Yahuoku! Dome)

Also, on Sunday January 29th during the Tokyo Fair, we will hold a special Pokémon stage show at the World Hobby Fair Stage!
The Pokénchi residents will appear and present info on the Pokémon movie and anime!
In addition, there will be an anime theme song concert with Rica Matsumoto and Taiiku Okazaki!

Date and time:
Sunday January 29th at the Tokyo Fair (Makuhari Messe), 11:30am to 12:00am



For further information, see the Next Generation World Hobby Fair website!

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Pocket Monsters, ポケモン and Pokémon are registered trademarks of Nintendo/Creatures/Game Freak. The Nintendo 3DS logo and Nintendo 3DS are trademarks of Nintendo.

Source: http://www.pokemon-movie.jp/news/?p=2509