STEAM & STEM
Make a catapult:
http://littlebinsforlittlehands.com/popsicle-stick-catapult-kids-stem-activity/
http://www.minds-in-bloom.com/2014/11/engineering-on-dime-3-stem-challenges.html?m=1
Invention Stories:
http://invention.si.edu/explore/invention-stories/