<b>Frankie Sparks uses her inventing skills to trap a leprechaun in this fourth chapter book in the STEM inspired Frankie Sparks Third-Grade Inventor series.</b> <p/>It's springtime in Ms. Cupid's class and the entire class is excited to build their very own leprechaun traps. Maybe if they catch one they will all get the gift of good luck! <p/>And after a few magical clues it looks like there might be a leprechaun on the loose in Frankie Sparks's house! Her best friend Maya is convinced the leprechaun exists but Frankie has her doubts--especially when it feels like every trap she designs fails! Will Frankie and Maya find their lucky charm or figure out how to create some luck all on their own?