Jewelbots, a programmable friendship bracelet that debuted on Kickstarter last week, is on a mission to make coding popular among pre-teen girls. Jewelbots surpassed its $30,000 crowdfunding goal in the first 19 hours. In the past five days, the campaign has pulled in over $70,000 from nearly 800 backers, and it still has 25 days to go. “When MySpace was a big thing, knowing HTML and CSS was cool, and now that Minecraft is big, kids want to make awesome models so they’re coding in Java,” says Jewelbots co-founder Sarah Chipps. “We’re trying to reverse engineer that with Jewelbots.” The relatively simple friendship bracelets are equipped with four LED lights and a button. They pair with the Jewelbots iOS or Android app and are designed to hold a charge for three days. Girls can add their friends to different friend groups designated by color, and the bracelet will light up with that color when their friends are nearby. They can also send “secret messages” in the form of vibrati...