Collectible Stones Masquerading as Companions

This page is the CodyCross answer for the clue below from Sense of Smell, Group 1467, Puzzle 5 (Popcorn Popping).

Question is: Collectible Stones Masquerading as Companions

and the answer is: PETROCKS

Word Meaning:

PET ROCKS — plural of pet rock

Definitions from Wiktionary.