Balloon Car STEM Unit | Bernoulli, Fluid Power & Race Day BundleBring engineering to life with this complete, classroom-tested STEM unit where students design, build, test, and compete using balloon-powered racers while learning real-world physics concepts. This bundle combines hands-on engineering, structured learning, and high-energy competition into one ready-to-use package. 🚀 What Students Will Do Design and build a working balloon-powered vehicle Apply concepts of fluid power and airf