Looking for an engaging way to teach criteria and constraints as part of the engineering design process? This no-prep STEM coloring sheet and pixel art activity helps students explore real-world problem-solving through design thinking. It’s a perfect way to introduce or review key STEM vocabulary while keeping students focused and having fun. Designed for upper elementary and middle school learners, this activity is ideal for STEAM sub-plans, early finishers, stations, or independent practice. A