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: Science & Engineering Age: Tween Registration for this event has closed. Grades 5-7. Design and build a moon lander to safely transport an egg down through the big hole to the "moon's surface" on the Library's first floor.