Sol Expert 20007 Solar-Heli 2022 is a solar-powered helicopter made from green plastic, measuring 20 cm in length. The product utilises photovoltaic cells to convert sunlight directly into electrical energy, which powers the rotor mechanism, demonstrating the principles of solar energy conversion effectively. Its construction from lightweight, durable materials allows for educational demonstrations in renewable energy systems, making it suitable for use in academic settings such as science classrooms or engineering workshops. The Solar-Heli 2022 is an exemplary model for hands-on experiments in solar energy applications, providing a practical understanding of solar technology's potential in sustainable transportation solutions. https://elecena.pl/product/29653543/sol-expert-20007-solar-heli-2022-solar-helicopter-green-plastic-20cm 2025-12-29 https://elecena.pl/product/29653543/sol-expert-20007-solar-heli-2022-solar-helicopter-green-plastic-20cm 2026-07-02