Light as a Feather (Miss Bunsen's School for Brilliant Girls, Bk. 2)

Best friends Pearl, Millie, and Halinka are facing a summer apart, until famous astronaut Nova Celeste announces a competition to build a flying machine. The winning team gets to spend a week at Nova Celeste's space center, so the friends would be together.

For brilliant scientists, a flying machine should be easy, but when a fire ruins their prototype, Pearl, Millie, and Halinka see their plans go up in smoke. With a day left until the end of the competition and only some sewing machines and old tomato cans to work with, will they girls of Miss Bunsen's School be able to reach new heights?