he Wonder Years/Hallmark actress, math whiz, and New York Times bestselling author Danica McKellar using her acclaimed McKellar Math books! Bathtime will be squeaky clean and sneaky smart in this follow-up to Bathtime Mathtime that gives your toddler a head start on learning their shapes, all as a part of your daily at-home routine!

Bathtime, Mathtime 1, 2, 3. Want to find some shapes with me?

Shapes are all around us--just scrub up and see!

Danica McKellar uses her proven math success to give toddlers a head start on learning their shapes in this squeaky-clean bathtime read-aloud that shapes up to be a tubful of math fun!