ππ’ STEM Challenges: Bridge Building and Marble Run β Hands-On Engineering Fun βοΈπ§ͺ Help students explore engineering, physics, and problem-solving skills through exciting STEM challenges like bridge building and marble runs. This engaging resource introduces young learners to key STEM concepts such as forces, stability, gravity, motion, energy transfer, and structural design, using clear explanations and relatable, hands-on activities with simple classroom materials like popsicle sticks,