Solar Powered Windmill Model Demonstrates renewable energy in action: a solar powered windmill model that visually shows how sunlight can drive motion in a compact, 3D windmill design. Lightweight and portable: total weight 152 g; base dimensions 140 x 95 x 20 mm (5.51 x 3.74 x 0.79 inches); easy to place on a tabletop and move between spaces. Simple setup: straightforward installation. Place the base on your tabletop, insert the connecting rod to complete assembly. Compact desk and classroom friendly: small footprint fits standard workspaces and learning areas without clutter. Standalone educational tool: ready to use out of the box for clear solar energy demonstrations without additional components. Use scenarios Classroom science lesson on renewable energy: illustrate solartomechanical energy conversion with a tangible, visual example. Desk display in home, classroom, or office: spark conversations about sustainability and solar power during daily activities. Science fair or STEM club project: a compact, easytosetup demonstrator to support project presentations on renewable energy concepts.