Some of Bob's stuff is great. My favourite is the "Bomb disposal" one.
"Inside are two wires. One's a greyish-blue and the other is a blueish-grey!"
"It says, and this is important, use an LT
-507 screwdriver with a plastic handle and a demagnetised head. You don't have one? Well, use a coin."
And of course, there's "Introducing tobacco to civilisation"
Time flies like an arrow. Fruit flies like a banana!