Seeking Invisiblement

"How am I ever going to get invisible?
"Can we get Invisible Ink?
"Where can we get Invisible Ink?"
Dad: "Invisible Ink wouldn't make you invisible, Son."
Trev: "Invisible Ink could make the whole house invisible!"
Mama: "How would we use it? What would we do to make you invisible?"
Trev: "We'd just pour it over my head!"

Methinks a little lemon juice on secret spy paper is in order.
We'll put it in the toaster to crack the code, of course.
I'll let you know what he thinks about that.