Littlest Pet Shop toys come with a collectors guide insert that shows off the variety pets in each wave/series of collectibles.

G7 Series 1 Collector's Guide

G7 Series 2 Collector's Guide

G7 Series 3 Collector's Guide

G7 Collector's Cards.

The toys also include cards featuring the images of the various pets. Singly-packed pets typically come with a card featuring the included pet, while multi-pet packages contain one card featuring only one of the pets included.