Freddie Ramos Gets a Sidekick (Zapato Power #10)

Freddie is trying to make his first invention! But he gets frustrated when his first attempt fails. As Freddie zooms around Starwood Park to feel better, he notices holes in the doors and fence. Who is responsible for making the holes? Freddie wants to find the culprit, but when he gets injured and can't use his Zapato Power, who will look after Starwood Park?