The fischertechnik Profi construction set Green Energy playfully introduces children to the world of renewable energies. With a total of 343 components, 14 different models can be constructed, including vehicles, wind turbines, and a helicopter. The functionality of solar energy, wind power, and hydropower becomes directly tangible through practical experimentation. The kit illustrates how solar generators produce electricity and wind turbines convert energy. This educational experiment kit is suitable for young technology enthusiasts aged 9 and over, and sharpens their understanding of climate-friendly technologies.