Finley can't wait to starttheinventors projectatschool??after all,thinking up new ideas is her thing.Butwhen the prototypeof her Supersonic Sibling Sublimator fails and her older brother plays a joke on her,Finley discovers that everyone could stand to lighten upa bit.Sta rting over, shecreates a hilarious deviceguaranteed to make people laug h more and live longer. But will herentertaining inventionwork on the s uper-serious invention judges?