Glowing Hobbit sword helps you find unsecured Wi-Fi gives you a step-by-step guide to hacking a toy Sting and turning it into a device that glows blue when you are in range of an unencrypted Wi-Fi network. By disassembling your plastic Sting and incorporating the Spark Core, a tiny Wi-Fi development kit, you can hack the toy’s light and enlist it to show you when you are near an unsecure network. The best part about this hack? It only requires two things: a Spark Core and a replica Sting with lights and sound[.] – Alex La Ferla,The Daily Dot