Valentine’s Day STEM challenge is a fun way to celebrate. This works well with kindergarten, first grade, and second grade engineers working together or alone in centers. A great addition to your Valentine’s Day centers. This resource uses the engineering design process to solve problems. Your kids will have fun building a mailbox, a box for candy, and a house to capture love bugs. Each challenge has a bonus challenge to help differentiate. Make this Valentine’s Day one they will remember with