If you’ve ever watched your students light up while building something, you already know the magic of STEM. There’s something about letting kids plan, create, test, and improve that pulls out their best thinking — even from the quietest learners. When I first started thinking about running STEM challenges , I’ll be honest — I wasn’t sure it was worth it!  I pictured tape everywhere, lopsided towers, and students asking, “What do we do next?”  But after years of trial, error,