Answer:
I jump when I walk and sit when I stand.
I help engines spin and pants stay up. What am I?
I am pronounced as one letter, written with three. I come in blue, black, brown, or grey. Reverse me and I read the same either way. What am I?
Little Nancy Etticote in a white petticoat. With a red nose; the longer she stands the shorter she grows.
I am easy to waste. I am unstoppable. What am I?
What did the piece of wood say when he saw the screwdriver and screws approaching?