I go around and in the house, but never touches the house. What am I?
Tickle with your fingers and a song it will sing. Be careful, though, you may break a string. What is it?See answer
When it comes to me, you go on red and stops on green. What am I?See answer
Select a pack of riddles and try to solve it in an interesting way.
This riddle appears in the following downloadable PDF files: