Answer:
What's that 7 letter word with thousands of letters in it?
What goes up and down the stairs without moving?
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
I have a ring, but no hands. I used to be plugged into the wall but now I follow you every where. What am I?
Before Mount Everest was discovered, what was the highest mountain on Earth?
The sun bakes them, The hand breaks them, The foot treads on them, And the mouth tastes them. What are they?