Education Resource Library Tech Tip: Materials Strategies for Engineering Design Grades K-12 Design Challenge Learning Engineering Grade levelsK-12 TopicsDesign Challenge Learning, Engineering Download materials Print lesson Managing low-cost, accessible materials for engineering design. Resources See Tech Tip Related lessons Grades K-12 8 Elements of STEM Preparation View lesson → Grades 6-8 AI Inclusiveness View lesson → Grades 4-12 Aim High! View lesson →