Boston Tech Mom (“a parent’s guide to raising a future techie”) is a great resource for all things STEM around Boston — including her monthly posts about free or low-cost STEM Events for Kids in Boston. Here’s her March list of STEM events.

Reminder:  Boston Tech Mom’s Boston STEM Fair will be held March 11, 1PM-4PM, at the Embassy Suites hotel (550 Winter Street, Waltham).