Boston Tech Mom is sponsoring the first Boston STEM Fair on March 12, 1-4PM at the Innovation Space in the Arsenal Project Shopping Center (across from Dunkin Donuts) in Watertown. It’s free for parents and kids (Grades K-12) who want to learn about opportunities in STEM including summer camps, after-school programs, college planning, and tech entrepreneurship. Exhibitors will discuss robotics, engineering, coding, 3D printing, science, web development, and more.  There will also be raffles for prizes.