ULTECHNOVO Hand Cranked Dynamo Portable Hand Crank Mechanical Dynamo Generators Science Kit for Kids Age, Light Bulb Science Experiments Kits for Kids

Connect the generator to the resistor and the LED light, it would be a beautiful and small emergency light This set comes with one pair of jumper

Hand Crank Driven Electricity Generator Mechanical

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Felenny Hand Cranked Dynamo Portable Hand Crank Mechanical Dynamo Generators Science Kit for Kids Age

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Tenergy ODEV Dynamo Lantern Educational STEM Building Toy, Hand Cranked Power Generator, Light Bulb Science Experiments Kits for Kids Age 8+

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Tenergy Odev Dynamo Lantern Educational Stem Building Toy, Hand Cranked Power Generator

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Tenergy ODEV Dynamo Lantern Educational STEM Building Toy, Hand Cranked Power Generator, Light Bulb Science Experiments Kits for Kids Age 14+

Hand Crank Power Generator Physical Learning Science Experiment Kit

Felenny Hand Cranked Dynamo Portable Hand Crank

FanFlex: Lightweight flexible crests and patches that fold easy. - FanTex: An all-new super comfortable soft fabric. - FanFit: The authentic on-ice

Tenergy ODEV Dynamo Lantern Educational STEM Building Toy Hand Cranked Power Generator Light Bulb Science Experiments Kits for Kids Age 8+

Wooden Handle Cranked Generators Science Technology Kit - Temu

Generator Science Kit