What Am I Riddles

Question: What runs around the house but doesn't move?

Question: I fasten to walk,
and unfasten to stop.

What am I?

Question: What has 4 fingers and a thumb, but is not living?

Question: No matter how much rain comes down on it it won't get any wetter.

What is it?

Question: What is as ancient as the earth but new every month?