A kawaii cute version of the potato battery science experiment! Here's a family of four potatoes linked together to power a nightlight whilst they sleep.
Where to buy online
Direct from us here - see products featuring this design.
You can find the design on t-shirts in most stores, but also on other products depending on the store (e.g. hoodies, mugs, stickers, notebooks, phone cases, greeting cards, cushions, socks etc).