On March 10, from noon to 4:00, Ingram Planetarium celebrates Pi Day with free activities in the Paul Dennis Science Hall that include: fun math games, mathematical face painting, pi mysteries, complimentary moon pies, and a special story time beginning at 3:14 (3.14 is the mathematical representation for pi). While you're at the Planetarium, stay for a Sky Theater show in the Planetarium's 40-foot domed theater with high-definition and surround-sound systems. Admission to Sky Theater shows: $8 adults, $6 seniors & students, $4 ages 3-4, free for ages 2 and under, and free for Planetarium members.