Features: Plastic Optics Lenses: This educational physics set features light weight plastic components including lenses, and light sources for hands on optical experiments. Perfect for classroom demonstrations and home learning about refraction and reflection principles. Portable Lab Equipment: Light weight plastic construction makes this optics set easy to carry between classrooms or take home. All components quickly assemble without tool, ideal for teachers and students needing mobile science resources. Comprehensive Experiment Set: Includes multiple optical pieces supporting over 10 different experiment configurations. Students can explore fundamental light phenomena through interactive activities that enhances STEM learning engagement. Student Friendly Design: Made with shatterproof plastic that withstand classroom use while being safe than glass alternatives. The rugged construction ensures long term reliability for middle school physics education. Interactive Learning Tool: Encourages parent child crafting activity through fun optical experiments at home. Stimulates scientific curiosity while developing practical skills perfect for homeschoolers and extracurricular science exploration. Specifications: Component: Plastic Type: GX5001, GX5003, GX5004, GX5005, GX5006, Size: Mixed Size Weight: Approx. 60g-320g Package Includes: 1Piece Physical Optics Experiment Set 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