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Buildables

There are loads of cool gadgets that you can make with everyday household objects. Here, we showcase a few of them. Besides being fun and useful in their own right, they can help you learn more about optics and electromagnetism, and we show you what makes each of these gadgets tick. Most of them can be built in a couple of hours, and it is a lot more fun if you build them with a partner.

Optics

Electromagnetism