Educational toys – Through this DIY package, children can exercise their own hands, thinking, exploring, creating ability,Build a toy that light up the LED by hand and the drive motor to learn the principle of conversion between energies. Hands on fun – The Hand Cranked Power Generator sets come with complete accessories ,tools and instruction manuals,kids can discover ways to solve and take into accounts issue at the same time as reading the manuals. Learn through playing – Kids will learn from the mechanics of the hand-crank generator and how the kinetic energy is used to generate electricity. The Dynamo Lantern is a Protected and interactive experience that keeps kids engaged, which makes it some of the unique electricity learning toys available. Protected to play – A great and practical gift for children to enjoy and learn. Popular among schools and teachers for an interactive, hands-on learning experience as well as being probably the most safest electricity learning toys in the classroom. Our kids STEM toys contain small parts, not for children under the age of 3. Sold by EUDAX，come with English manual for User,In case you have any questions, please contact us for free, we can solve for you！ EUDAX DIY Dynamo Lantern Educational STEM Building Toy, Hand Cranked Power Generator, Generators Science Kit, Light Bulb Science Experiments Kits for Kids Age 8+ Specification: Item Name: DIY Hand Cranked Power Generator sets Size: 90 * 75 * 110mm 3.54 * 2.95 * 4.33 in (L * W * H) Material: ABS plastic and metal Color: Multicolor (White Red Yellow Orange Blue) Package included: You’ll be able to look at the picture, including the entire accessories and tools, and will be equipped with some spare parts WARNING: CHOKING HAZARD Small parts. Not for children under 3 years old.