Frank Einstein and the Bio-Action Gizmo (Frank Einstein Series #5)

In the fifth book of the New York Times bestselling Frank Einstein series, Frank Einstein (kid genius, scientist, and inventor) and his best friend, Watson, pair up with Klink (a self-assembled artificial-intelligence entity) and Klank (a mostly self-assembled and artificial-almost-intelligence entity) to compete with T. Edison, their classmate and archrival. This time they're studying the science and mysteries of our very own home planet: Earth!