Answer:
Other terms for this handy device include doohicky, doo-dad, and whatchyamacallit.
They come in many varieties: Red, Black, Dead, and Caspian to name a few.
Where is the ocean deepest?
I have eighty-eight keys but cannot open a single door? What am I?
Some adults still use these to count.
When is it bad luck to see a black cat?