A day of events for all ages celebrating the First Four games leading up to the Final Four, and basketball in general, begins at 10 am with The Big Hoopla Four Miler and continues at 1 pm at CJ, with the fifth annual  STEM Challenge (registration begins at noon, pre-registration is recommended). Open to children in kindergarten through eighth grade, the free event features science, technology, engineering and math demonstrations plus a hot-shot basketball contest. Students compete for prizes that include First Four tickets, iTunes and Scene75 gift cards, iPads and much more.