Bring light science to life with this engaging, hands‑on lesson that helps students see how light travels, bounces, and bends! Perfect for NGSS 4‑PS4‑2, this complete resource includes a full lesson plan, student worksheets, answer keys, and a highly engaging LEGO Light Maze STEM challenge that your students will beg to repeat. Students explore straight‑line light travel, compare reflection vs. refraction, test mirrors vs. paper, and apply their understanding to design a functional ligh