Yellow Brick Road STEM Activity – Civil Engineering Challenge (K–2)Looking for a low-prep, hands-on STEM activity that actually keeps students engaged? In this Yellow Brick Road Civil Engineering Challenge, students become civil engineers as they plan, build, test, and improve a road using simple classroom materials. Inspired by The Wizard of Oz, this activity introduces engineering concepts in a fun, accessible way for young learners. Students explore structure, stability, patterns, and pr