Here’s a project for half-term: magnetic LED throwies. The Finished Article First you’ll need an LED. You can buy them from any electronics supplier such as Maplin, Rapid or RS. You’ll also need a small magnet. I bought 12mm×2mm neodymium-boron magnets from first4magnets.com. Lastly you’ll need a CR2032 battery. I bought mine from cheaperbatteries.co.uk. Step … Continue reading LED throwies