Good
wonder - To feel curiosity or doubt about something; to question or inquire about something, often with a sense of awe or amazement.

When she saw the magician perform his final trick with the glass ball, she couldn't stop wondering how he did the trick.
tinker - To attempt to repair or improve something in a casual way, often to no useful effect

Mitch tried to tinker with his computer before realizing that it was more broken that he had thought, and that he had to bring it to the computer store to have a professional repair it.