>>103174487
I gave up on looking at niji merch numbers as they upped the stock randomly. But their numbers can be found.
Example
Current Stock
https://nijisanji-store.com/collections/nijisanji-en-petit-vol-1/products/nijisanji-en-petit-vol-1-elira-pendora
Sticker: 486
Badges: 267
Keychain: 479