By Luke Plunkett
WarSting is a replica of Bilbo Baggins' famous sword Sting, with a twist: instead of glowing blue when it detects Orcs, it glows blue when it picks up an open wi-fi network.
You can't buy WarSting, but you can make it. Make: have a guide up showing how all you need is a particular brand of replica toy Sting and a Spark Core, which is a "Wi-Fi development kit with a reprogrammable chip that has a Wi-Fi module and can interact with sensors and actuators like the ones in the toy sword".
This article originally appeared on Kotaku UK, our gaming-obsessed site. Check them out for original reporting, gaming culture, and humour.