Dynamo Hand Crank Generator Emergency Power Electronic Experimentation DIY Blocks Toys Kit

Technical Specifications: Material: Acrylic Color: Clear Generating voltage: 0-6V Generator folded size: 62 x 50 x 26 mm / 2.4 x 2 x 1 inches Features and Benefits: This is DIY Kits, with case, but you need assembly its by yourself. Understand the growth of gear transmission conversion and The generation principle of electric energy, training hands-on brain ability, it is suitable for use in school experiments Both sides of product have a protective layer, the protective layer should be torn and before assembled. Turn the handle fast by hand, it can be issued 6V voltage and the LED will light up. No instructions supply. Package includes: 1 x Hand Crank Generator 1 x Enclosure group