PITTSBURGH--(BUSINESS WIRE)--BirdBrain Technologies is excited to announce that Hummingbird Duo is launching on Kickstarter today. The Hummingbird Duo may be the first electronics kit that is fun and educational for a fourth grader, a high school student, a college engineering student, or an adult maker. The Hummingbird Duo provides several levels of engineering and technology learning. Instead of a steep learning curve, learners go up a staircase where each step increases skills and where mast
