Answer:
It belongs to you but you donβt use it. It does not belong to other people but they use it. What is it?
A red house is made out of red bricks. A blue house is made out of blue bricks. What is a green house made out of?
Tickle with your fingers and a song it will sing. Be careful, though, you may break a string. What is it?
What is not a ball but yet a sphere, and holds all lands and people year after year?
These are believed to be found at the end of rainbows
What do you purposefully put lots of in and on your body, but run away from when you encounter it outside?