Handkurbel Generator Modell Lernwerkzeug DC Dynamo Laterne Miniaturgebäude
19,52 €
1 Hand Cranked Power Electricity DC Electric Generator Model. Fun and Learning: The DIY Dynamo Lantern Educational STEM Building is simple and easy to understand, children can learn the working principle of the electric motor while playing, improving learning interest.
Jetzt bei Ebay:
