Heat transfer demonstrator designed for middle school physics to show differences in thermal conductivity between solid materials. Key benefits Encourages curiosity and handson learning for children, helping parents and educators introduce core physics concepts. Simple operation allows students to perform experiments independently, promoting active learning and confidence. Makes the abstract concept of heat transfer visible and measurable, supporting classroom lessons and lab activities. Suitable for classroom use and smallgroup demonstrations without complex setup. Product highlights Function: Heat conduction demonstrator that visually compares thermal conductivity of different solid materials. Compatibility: Designed for middle school physics curricula and aligned with standard classroom experiment formats. Size and format: Tabletop demonstrator intended for both group demonstrations and individual student experiments. Material: Includes samples or components representing different solid materials to illustrate conductivity differences. Performance: Provides clear, repeatable demonstrations that help students observe relative rates of heat transfer. How it solves common teaching challenges Makes thermal conductivity tangible so students can connect theory to observation. Reduces setup time and instructor intervention, enabling more time for discussion and analysis. Supports differentiated learning by allowing students to test hypotheses, record results, and compare outcomes. Use scenarios Classroom demonstration: Teacherled lesson where students observe and record how heat moves through different solids, reinforcing textbook concepts. Afterschool STEM club or science fair: Small groups run independent trials to explore variables and present findings. Home learning or family activity: Parents and STEMfocused families use the demonstrator for guided experiments during study time or educational events. What to expect A straightforward, educationfocused tool for demonstrating heat conduction. Easytofollow operation suitable for studentled experiments with teacher or parent supervision. Clear comparisons between materials that support lesson plans and learning objectives. This demonstrator is a practical addition to school physics lessons, STEM clubs, libraries, and family learning activities that require a reliable way to show differences in thermal conductivity.