for middle school physics learning; not suitable for children under 3 years old. Key features Large extended base with a clearly visible scale for precise measurements. Fine workmanship and quality assurance throughout the set. Quality materials and a stable structure to support safe, reliable use during research and classroom activities. Removable components designed for school optical experiments. What you gain Clear scale enables quick, accurate readings and helps students understand measurement concepts. Stable construction reduces movement and improves repeatability of experiments. Modular, removable parts simplify transport, storage, and reconfiguration between activities. 23 practical uses In classroom physics lessons to conduct school optical experiments and demonstrations. In science clubs or afterschool programs for studentled research projects requiring modular setup. For teacher demonstrations and quick setup between lessons in the school lab.