This event is in the "Teens" group. Mini 3D-Printed Catapults 6:00pm - 8:00pm Teens Required This event is in the "Teens" group. May 21 2025 Wed Mini 3D-Printed Catapults 6:00pm - 8:00pm Bloomington Public Library Library Branch: Bloomington Public Library Room: Innovation Lab Age Group: Teens Program Type: In-Person Program Required Seats Remaining: 10 : Calling all teen inventors and aspiring engineers! Join us as we learn to design, 3D print, and build our very own miniature catapults!