A great STEM kit for high school students (Grade 101112) to enhance what is learned from physics class Easy enough for junior students (Grade 789) and kids to explore in advance and get interested in physics science Manufacturered by Teenii. The clearly illustrated manual encourages critical thinking by asking you questions before and after doing the experiments 10 chapters with fun projects: Color and Lights Pinhole Camera etc Learn about how lights travel reflect refract and investigate optics by doing experiments with 25 Items including 32-pages full-color manual