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发表于2024-11-23
SMARTLAB pdf epub mobi txt 電子書 下載 2024
Curious kids will make the electricity connection with this safe, easy, and fun learning kit. A light bulb, motor, push button, and switch give kids lots of interesting ways to experiment with connections and currents. Age-appropriate components make this the ideal choice for parents and kids.
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SMARTLAB pdf epub mobi txt 電子書 下載 2024