November 5. The Big Build returns to the National Building Museum! This hands-on FREE festival with many hands-on activities, including a nail-driving contest and a structural engineering activity with an earthquake simulation. Everyone will have the opportunity to use real tools and even climb inside construction equipment like a crane in the outdoor Petting Zoo! A Tech Room will have augmented reality demonstrations, virtual reality (VR) experiences and other immersive digital activities to engage older children and teens.