Combine craftsmanship and science in kit. Our wooden hand crank generator set features both traditional woodworking and concepts, inviting learners to assemble their own generator and experience the enjoyment of lighting up a bulb using nothing but manual force. Features -Color:Multi -Material:Wood -Size: 16.00X15.00X8.50cm/6.29X5.89X3.34in -Interactive Learning Experience: This light bulb science kit offers a tangible, hands- to understanding the conversion of mechanical energy to electrical energy. -Compact and portable: small and lightweight, the hand crank generator model is easy to carry and store, making it ideal for outdoor scientific activities. -STEM education: This manual generator kit aligns perfectly with education goals, nurturing critical thinking and making a solid foundation for future scientific explorations. -Wood construction: Built from premium wood, the model generator not only teaches science but also provides an aesthetically pleasing look. -Instructive assembly: This science experiment kit encourages problem-solving skills and spatial awareness as people the generator themselves. Package list: 1 x hand crank generator