1er-Pack Science Experiment Modellbausatz Science Kits Spielzeug Experiment Projekt
10,14 €
Busy Board: Hand crank electric power generation with bulb education kids, Diy to assemble Technology Puzzle Toy Science. DIY Model Toys: By turning the large disc by hand, the generator is driven to rotate, and the output power is realized, which can light bulbs, children can exercise their own hands, thinking, exploring, creating ability.
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