What's the name of this item?

[Maomi]

The flower sign in this video:
https://www.youtube.com/watch?v=qLXFkpXz004&t=454s

At 6:25. I've been searching on MoriDB, but I can't seem to find it. ':v

 

[Imaginarycupcake]

You can get it from the museum gift shop

 

[Maomi]

Oh, I see! Thank you. c:

 

[Imaginarycupcake]

Oh, I see! Thank you. c:

No problem! It's called Poster stand (I just remembered that.)