https://yurucamp.jp/news/information/8628
I couldn't find anything in English language anime news, so here's a translation...
Edited translation:
At AnimeJapan 2024, which will be held on March 23rd and 24th, the Furyū booth (J-14) will feature a huge main visual and We have prepared a number of things for everyone to enjoy, including exhibits of Rin Shima and Ayano Toki's bikes and camper cars, a stamp booth, sticker sales, and an appearance by mascot (kigurumi) Rin-chan. In addition, the "Yuru Camp△ SEASON 3" TV anime is about to air! Special Stage will be held at the AJ Stage (GREEN Stage) of "AnimeJapan 2024" from 17:10 on March 23rd. We look forward to everyone's visit.
■ Mascot (Kigurumi) Rin-chan greeting schedule
time:
① 1 1:00~ ② 13:00~ ③ 15:00~
* The event will last approximately 10 to 15 minutes on both days.
* Times may change or be canceled without notice.
■ Free distribution of postcards (6 types) using image visuals
We will give out free postcards featuring each of the 6 Nadeshikos!
* Tickets will be distributed randomly from the opening of the venue.
* It will end as soon as it runs out.
* You cannot choose the pattern.
■ Let's GO! Yuru Tour Stamp Anime Japan original stickers on sale!! ️
Yuru Tour Stamp Sticker (Rin & Nadeshiko & Ayano) Anime Japan ver. 600 yen (tax included)
Please be sure to purchase a sticker to commemorate your visit.
* Sales after AJ ends are undecided.