- Stable construction: Metal-reinforced ABS components with rounded edges provide a non-slip grip, designed for intensive educational play in classrooms and learning groups with high everyday durability. - Modular plug-and-play system: Clear interlocking elements enable student-guided construction, improving fine motor skills and technical understanding in an educational play context. - Mechanical energy conversion: Demonstrates, through manual force, the process from movement to electricity, conveying basic principles of electrical conductivity and electromagnetic induction. - Versatile applications: Even energy delivery for light experiments and eco-research projects. The rugged hand-crank mechanism enables hands-on testing across diverse use cases. - Use scenarios: for science classrooms to build basic circuits, in physics labs for energy conversion experiments, and in eco-research projects to explore renewable energy concepts.