• Large kit for high school students (2nd, 3rd, 4th grade) to better understand what is being learned in physics class
• Professional optical instrument junior high school physical optics experimental equipment, detachable, with storage box, easy to transport
• The manual is illustrated with clear images and encourages critical thinking by asking s before and after the experiment
• You can do optical experiments with this set of optical equipment, you can adjust different light with your child, detachable, with storage box, easy to carry
• The guide rails are marked with scales, which are easy to ob and summarize the rules. It is not only a set of physics teaching experimental equipment, but also a for children's scientific exploration