Answer:
I love to dance and twist and prance. I shake my tail, as away I sail. Wingless I fly into the sky.
A hole leading in, a hole leading out, we connect to a cavern that is slimy all throughout. What are we?
Always old, sometimes new. Never sad, sometimes blue. Never empty, sometimes full. Never pushes, always pulls.
A tiny bead, like fragile glass, strung along a cord of grass.
I have four legs but no tail. Usually I am heard only at night.
You use it between your head and your toes, the more it works the thinner it grows.
Difficult
Animal
Easy
Food
Funny
Kids
Logic
What am I?