This event is in the "Teens" group Mini 3D-Printed Catapults 6:00pm–8:00pm Teens Full Registration Required This event is in the "Teens" group May 21 2025 Wed Mini 3D-Printed Catapults 6:00pm–8:00pm Bloomington Public Library Full Please note you are looking at an event that has already happened. Library Branch: Bloomington Public Library Room: Innovation Lab Age Group: Teens Program Type: In-Person Program Registration Required : Calling all teen inventors and aspiring engineers! Join us as we learn to design, 3D print, and build our very own miniature catapults!