Features: Brand new and high quality STEM (Science, Technology, Engineering) learning toy: Through this DIY building toy, children can construct their own lantern that uses a hand crank motion to light the LED lamp. Through the building process, children can also learn about problem-solving and attention to detail when reading the manual. Practical entertainment: The hand crank generator kit is easy to build. There are detailed instructions and a video to guide the children. Learn through play: The children will learn about the mechanics of the hand crank generator and how energy is used to generate electricity. The building toy is a safe and interactive experience that keeps children engaged, making it one of the most unique toys for learning about electricity available. Safe play: A great and practical gift for children to enjoy and learn. Popular among schools and teachers for interactive, practical learning experiences as well as a safe toy for learning about electricity in the classroom. Suitable for: Our STEM toy for children contains small parts, not for children under 3 years. Recommended for children 7-14 years. Specifications: Material: Wood Color: As pictures show Size (approx): Finished size 14.8x8.3x12cm/5.83x3.27x4.72in Weight (approx): 150g Note: 1. Please allow 0-1cm error due to manual measurement. Make sure you don't mind before you bid. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package includes: 1 Set Hand Crank Generator Kit for Kids Unleash your child's inner engineer with this engaging DIY hand crank generator kit! This STEM toy provides a fun and interactive way to learn about electricity and mechanics. Perfect for ages 7-14, it's a great gift for curious minds and budding scientists.