This activity book features mazes that get trickier as you go along.
The Everyday Naturalist: How to Identify Animals, Plants, and Fungi Wherever You
A nice touch is the fold-out poster inside this activity book to color.
Pearson Texas, Biology, 9780133176407, 0133176401
You will find that this activity book is easy to carry in a backpack.
Campbell Biology: 12th Edition (English, Hardcover)
You will find that this activity book encourages patience and attention to detail.
