Add to My Calendar Print Share Add This Event To Calendar Don't forget about this event. Add it to your calendar. Add to Google Calendar Add to iCal Share This Event Let your friends know about this event! Share it on social media. facebook twitter email Program Type: Elementary, S.T.E.M./Maker Age: Child Allowed Ages: 8 to 12 Registration for this event has closed. Design a ninja star with origami paper. This gem of a project combines math, art and paper engineering.