What? No batteries?! Be a scientist as you discover how to power this digital clock using potatoes. The combination of metal strips included and ordinary potatoes make a simple battery that creates enough electricity to operate a small clock. This kit features a detailed instruction manual, guiding the young scientist to clearly understand how this works.
Features:
Kit allows you to build your own digital clock powered by a potato (other kinds of fruits/vegetables can be used as well like apples, tomatoes and soft drink - you
ECROBOT CO., Ltd, Business Registration Number : 220-88-71747, CEO J.W.Park, TEL : +82-2-552-7676, E-mail : E-mail : Contact us Address : (Hwanghwa B/D 11F, Yeoksam-dong)320, Gangnam-daero, Gangnam-gu, Seoul, South Korea
China [CN] 
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