Three Primary Colors of Light Physical Optical Experiment Teaching Equipment Tool for School Lab Student

Chemicals of Very High Concern: None Topics: Animals & Nature, Transportation, Careers, Music, Fantasy & Science Fiction, Sports Recommended age: 6-12 years old, 14+ years old Certification: CE Material: plastic Notice: Due to computer screen settings and shooting light, the color may be slightly different, and the actual product may deviate from the photo. This is normal, and I hope you can understand. Due to different measurement methods, there will be a 1-3 cm tolerance on the size (1cm=0.39 inches).