Remind Me 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 Setup Reminder Want to be reminded about this event? Complete the form below to have an email notification sent to you 24 hours prior to the event. Email * Age: School Age Come create your own working machines! Catapults, gliders, and more! For grades 1-6.