Answer:
What invention lets you look right through a wall?
I walk on 4 legs in the morning, 2 legs at noon, and 3 legs at night. What am I?
I have leaves on my fruit my fruit is on my leaves.
I am lighter than the material I am made of. You see parts of me but more of me is hidden underneath.
I am just two and two. I am hot. I am cold. I am the parent of numbers that cannot be told. I am a gift beyond measure a matter of course. I am given with pleasure when taken by force.
What did the piece of wood say when he saw the screwdriver and screws approaching?