Sentences with Castle In The Air

The child's wish for a pet dragon was just a castle in the air.

Sarah's plan to finish her novel in a day was a castle in the air.

The politician's promise of free ice cream for everyone was dismissed as a castle in the air.

Building a house of candy proved to be a castle in the air for the baking competition.

The plan to create a utopian society without any conflicts was just a castle in the air.

Their hopes for a painless workout regimen turned out to be a castle in the air.

The promise of everlasting happiness through a single purchase was nothing but a castle in the air.