Key to Rondo

Leo was a little boy with a wild imagination. "No imagination is to big or to small!" He sad in happiness once. Leo's parents hated his ideas because he goes to far. One day Leo said to his parents - "I'm serious, I actually saw that key and it just vanished! I'm telling you, this isn't just my imagination, it's real!"
"Sure it is Leo, now get ready for bed ok?" His Mother Said. "Why don't you believe me?" "Leo, go get ready now!" "Fine!"