STEM Bridge Partners- Could pair with Billy Goats Gruff
5 Engineering Challenges with Clothespins, Binder Clips, and Craft Sticks - Frugal Fun For Boys and Girls
Simply awesome: DIY Recycled Box Collapsible Play House with moving boxes. My Grandmother would always have a box for us to play with.
Make an easy DIY wrecking ball and add a little demolition fun to block play kids' activities.