Features: Comprehensive Physical Optics Experiment Box Set with detachable components enables faster experiment settng up, offering versatile optics physics configurations for STEM science education. Features aerospace grade ABS construction and easily assembly, ensuring long time durability compared to standard plastic lab equipment. Essential for teacher, student, physics educators, and STEM program coordinators requiring professional and multifunctional optics teaching tool with ±0.01mm accuracy. Optimizes light spectrum experiments in classroom demonstrations, laboratory research, and scientific project development. Integrated precisely diffraction grating eliminates measurement errors, making this physics experiment box set great for repeated academic use across multiple semesters. Specifications: Component: ABS Plastic, Glass Color: Yellow; Blue Size: Approx. 36x22x13cm/14.17x8.66x5.11in Weight: Approx. 1200g Package Includes: 1Piece Physical optics Experiment Box note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color