How many Real Size Science books are there?

There are 3 books in the Real Size Science series by Rebecca Rissman, for ages 4-7.

Real Size Science Books in Order

3 books · Ages 4–7 · Chapter Books, Picture Books

Real Size Science is a 3-book series for ages 4–7 by Rebecca Rissman. Each book stands alone — start anywhere.

Start anywhere — each book stands alone.

That said, Simple Machines and Materials are great first picks.

No particular order needed — browse and pick what catches your eye.