Features: Optical Learning Tool: This slide projector set enables students to intuitively understand optical imaging principles, reinforcing physics knowledge through hands on construction. Ideal for physics teaching aid and classroom experiments. Hands On experiencing: Encourages students to build the projector themselves, enhancing manual skills and creativity while making learning engaging and interactive. Perfect for education and science exploration. Educational and Fun Combination: Serves as both a learning tool and an entertaining activity, sparking curiosity in scientific discovery. Supports physics experiments like imaging and projection for versatile use. Classroom Teaching Ready: Designed for physics lab demonstrations, helping teachers illustrate optical phenomena effectively. Includes clear instructions for easy assembly under guidance, suitable for middle school students. Safe Materials: Constructed from quality wood with smooth finishes, ensuring safe during use. Lightweight and portable, allowing repeated assembly and disassembly for ongoing physics learning. Specifications: Materials: Wood Color: As The Picture Shown Size: approx.15x5x8.7cm/5.90x1.96x3.42inch Package Includes: 1 Set of Slide Projector materials Package note: Please allow 1-2cm error due to manual measurement. Please make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks!