Physics Experiment DIY Hand Power Bulb Electrical Circuit

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Energy conversion principle : mechanical energy - electrical energy - light energy
Electric current can be generated by shaking the handle , and the bulb will shine
Including parallel or series circuit， physical and energy conversion principle tips for kid child learning studying
Develop children's hand & eye coordination, and help children experience the theory of power, expand kids scientific & mechanical interest
Great scientific experiments lab teaching aids school supplies，Cool designed DIY scientific toy gifts for kids
Main Material: Plastic
Color：Specification:Need to be assembled by yourself: assemble the model as the pictures shown
Size Chart:Assembled size (L*W*H): Approx 12*10*5cm/ 4.72*3.93*1.96 inch
Package Includes:1 Set DIY Hand Bulb Toy (with assembled picture instructions)
Note:Due to the manual measurement, please allow 1-2mm differences in size
Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understandDIY Assembled Science Toy;Hand Bulb Toy;Kids Science Physical Toy;Energy Conversion Experiments;Educational Toy Gift;Mini Motor Model Toy;Parallel Series Circuit Learning;School Teaching Aids;Child Scientific Experiments
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