Little Spring Stationery 春. 文房

薯仔鐘 Potato Clock

数量

简介

+ 適合年齡：5+ 你只需要有兩個薯仔，加埋呢套實驗套裝就可以做出一個電子鐘，無需電芯都能運作。 Age: 5+ The 4M Potato Clock teaches young minds the value of green energy in an illuminating way. The Potato Clock uses a pair of ordinary spuds to power a digital clock. This kit includes a digital clock, wires and prongs; two potatoes are all that's needed to create a working clock. This kit is ideal for young science enthusiasts, and offers a valuable lesson on the transformative power of green science. Detailed assembly instructions included. No batteries required.

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