Answer:
In the night a mountain, in the morning a meadow.
In we go, out we go. All around and in a row. Always, always steady flow. When we'll stop, you'll never known. In we go, out we go.
A man went to the hardware store to buy items for his house. 1 would cost $.25. 12 would cost $.50. 122 would cost $.75. When he left the store he had spent $.75, what did he buy?
What goes through a door but never goes in. And never comes out?
What has 13 hearts but none beat?
I am owned by Old McDonald.