Educational technology refers to the use of technological tools and resources to improve teaching and learning. It involves developing, applying, and evaluating systems and tools to aid instruction. Throughout history, technology has played different roles in education. In ancient times, technology was limited but helped transmit knowledge. In modern times, technology serves as an information source, a tool for hands-on learning and collaboration, and a way to support self-reflection. Educational technology can help sustain student interest, make abstract concepts more concrete, provide independent learning activities, increase vocabulary and continuity of thought, improve the quality of learning while reducing time, and make learning more interactive. Guidelines for selecting instructional materials include considering size, color, durability,