💘 Valentine’s Day Computer Science Activities – Unplugged & No Prep! Looking for an engaging, no-prep Valentine’s Day STEM activity that works for a wide range of grade levels? This Valentine’s Day Computer Science mini bundle introduces key coding concepts through unplugged, print-and-go worksheets — no devices required! Perfect for Grades 3–6, this resource is ideal for classroom lessons, STEM rotations, early finishers, sub plans, or Valentine’s Day parties with an educational twist.