Yes, its really hard to find something in Czech. But Animuj prepare all this website in English, so follow us, I think it could be helpful for You.
Gallery of Jiri Trnka in Pilsen: address is nám. Republiky 40, this gallery is in main square, but all museum and galleries are usually close on Monday. ;)
During Your visitation in Czech Republic will be also ART CAMP, in Pilsen (Plzeň in Czech). You can study the programm here (in this page You can find informations about Animation School in Plzen, heres teachs Jiri Barta, he will be probably also in Art Camp, you can meet him, write him):https://fdu.zcu.cz/en/415-artcamp-about
FB event for Art Camp: https://www.facebook.com/artcamp.summer.school
PAT and MAT: I called to manager to of the studio. There´s no exhibition, but I cant organize the excursion in Prague for You and for few other people. Are You interested in? I can plan if during Your vacation in Czech Republic.(website in eng http://en.patmat.cz/)
The First Snow: You can contact Lenka Ivancikova (author): official website http://www.lenkaivancikova.com/prvni-snih
Thanks again for the valuable information.
We will check Art Camp Pilsen, looks very interesting to visit.
As for Pat&Mat; do you suggest visiting the studio? We would love that. My family is (2 adults, 3 kids: 9-7-3 years old) What do you think is possible to arrange?
I contacted Lenka in order to purchase a dvd.
now I deal with the manager of animation studio where Pat and Mat is emerging now. I will write You as soon as possible how much it will cost, but I hope it will not be expensive.It will be during weekend probably.