Tronex - Product - Amazing Toys

32050

50+ 电路实验室
超过50个精彩的教育性实验
---学习有趣的动物，声音，LED灯，旋转的LED，数码LED套件，与及更多趣味电子线路
---使用二枚5号电池 (不包含在产品内)

tronex

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