Answer:
What is filled with air and sometimes a gas, tied to a string and often seen on your birthday?
They keep secrets locked away. And you pass through them each day. For each one there is a key, They respond to sesame.
You could do this to a motion, see it on a watch, or place this in a race.
What do cheetas, dalmatians and appaloosas have in common?
What cannot talk but will always reply when spoken to?
If itβs information you seek, come and see me. If itβs pairs of letters you need, I have consecutively three. What am I?