2 books · Ages 7–11 · Chapter Books
Wile E. Coyote Physical Science Genius is a 2-book series for ages 7–11 by Mark Weakland. Each book stands alone — start anywhere.
Start anywhere — each book stands alone.
That said, Smash!: Wile E. Coyote Experiments with Simple Machines and Zoom!: Wile E. Coyote Experiments with Speed and Velocity are great first picks.
No particular order needed — browse and pick what catches your eye.