This creative periscope kit is good for kids' STEM projects, offering a fun and educational way to learn about optics and physics. The kit includes all necessary materials for building a functional periscope, encouraging problem-solving skills and scientific thinking. Ideal for both indoor and outdoor use, it makes science experiments exciting and accessible. Features -Color:Multi -Material:Paper,acrylic -Size:21.00X4.30X4.30cm/8.25X1.69X1.69in -Size:30.00X4.30X4.30cm/11.79X1.69X1.69in -Foster curiosity: this adjustable periscope is good for elementary students, exploration exciting and engaging -Reliable materials: constructed with durable, materials to ensure stability and reliability in every experiment -Multiple applications: great for classroom science projects, outdoor adventures, and astronomical observations, enriching children's learning experiences -Friendly design: easy to assemble and adjust, enabling kids to handle the periscope independently, building confidence and skills -Boost learning: aligns with elementary science curriculum, enhancing comprehension of optical principles through hand on practice, improving educational outcomes Package list: 5pcs homemade telescope