I think everything on that page is a collectible...because it wouldn't be on that page if someone didn't collect it. My opinion, of course

col·lect·i·ble
kəˈlektəb(ə)l/
adjective
1.
(of an item) worth collecting; of interest to a collector.
2.
able to be collected.
"a surplus collectible as rent by the landowner"
noun
noun: collectible; plural noun: collectibles; noun: collectable; plural noun: collectables
1.
an item valued and sought by collectors.