What can you catch but you can't throw

What has rivers with no water, forests with no trees and cities with no buildings

Name the days of the week without naming the days of the week

What has 2 banks but no money?

What is it a child can make that no one can ever see?

What has 6 heads and 21 eyes

What is dirty when it's white?

What has 13 hearts and no other organs?

What has 4 legs but can't stand