$177
Difficulty: ★★☆☆☆ | Age 6+
You have probably used batteries to make your iPhone, clock, or other gadgets work. Did you know that you can indeed use chemical energy stored within a fruit, like lemon or orange, to power a mini LED light bulb? It's no rumor, we'll teach you exactly how in this fruit battery experiment.
Quality assurance: We provide crocodile clips that are made of pure copper that has 100% conductivity, instead of iron that is readily available on the toy market but has 17% conductivity only.
Kit contains