Features: Experience the convenience of this detachable hand powered generator, perfect for conducting physics experiments and engaging in scientific exploration. Crafted with quality plastic, this hand crank generator STEM educational toy easy to assemble and ensures long lasting use. Designed for students, science enthusiasts, and educational institutions, this light bulb science experiments set encourages hand on learning and fosters scientific thinking. Whether in school, science exhibitions, and home education environments, suitable for conducting physics experiments, creating science project, and delivering educational demonstrations. Learning from mechanics of hand-crank generator and how the energy is used to generate electricity. Valuable tool for anyone interested in exploring world of science. Specifications: Color: Yellow Component: Plastic Size: Approximately. 8cm/3.15in Weight: Approximately. 45g Package Includes: 1Set Manual Generator Experiment Supply note: 1.Please allow 0-1cm error due to manual measurement. make sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color