A penny, he then should have gave that penny to a stranger and told them to pass it on , the result would be Harry Potter never being able to find the penny.
His underwear , who wants to have to take someone’s underwear off of them?!
A dead battery, who would suspect that?
Lily and James’ tombstone. Could harry destroy his parents graves?
And one of the old models of Nokia phones, because they’re pretty much indestructible