1. What can travel around the world while staying in a corner? 

1. A stamp

1. The more there is the less you see. What am I? 

1. Darkness

1. I have keys but no locks. I have space but no room. You can enter but you can’t go outside. What am I? 

1. A keyboard 

1. What has to be broken before you can use it

1. An Egg

1. What goes up but never comes down?

1. Your age

 First three:https://www.prodigygame.com/main-en/blog/riddles-for-kids

Last two:https://parade.com/947956/parade/riddles/