To begin with, here is a classic rat-themed animal bookmark. Without a doubt, these are perennial favorites that will be loved by all.
The full tutorial about this pattern you will find on Supergurumi.com:
More info about Adente’s project you can find on Ravelry.
Crochet Book Rat Bookmark
However, if classic and toned down is not your style, or you want to encourage the kids to ready, why not try this amazing bookmark? Yes, indeed, the squashed book rat is a funny and adorable critter that kids will love picking up.
Amigurumi Rat Book-mark
If you're fond of quirky, cute things, this amigurumi crochet rat design will be the one for you! With its big ears, funky eyes, and big hands, you won't ever want to remove this little guy from your books. Do note this pattern requires a little amigurumi knowledge.
Animal Crossing Leaf Coaster
Of course, an animal coaster is not only the animal itself, but the trails it leaves. So, here is a fun and interesting project for a leaf-shaped coaster that has been nibbled by some critter.
Giraffe Bookmark
Although unusual, this animal bookmark is an almost obvious choice. After all, the giraffe’s long, thin neck is a no-brainer for transforming into the bookmark’s ribbon.