Model of physical reflection and refraction of light for school-age children 10 years Description: [Physical Experiment Kits]: They can perform light refraction, convex lens refraction, lens refraction, prismatic refraction, flat mirror reflection, scattered reflection, convex mirror reflection, concave mirror reflection, etc. [Teaching in the classroom]: This demonstration model of physical light reflection will be a great classroom teaching material that can help students understand the principles of light refraction. [Materials]: All components are made of excellent acrylic material, smooth, burr-free, designed for long-term use. [Easy to assemble]: Direct assembly, no ma need for other accessories, simple assembly. [Teaching Aids]: Scientific kits for experiments with physical optics are great for classroom projects, they are simple and practical. Specification: Material: acrylic Size Chart: 24 cm x 14 cm/9,45 inch x 5,51 inch The package includes: 8 parallel lenses 1 multifunctional headlight 1 three-way linear light source