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You can use this set of optical equipment to carry out optical experiments, and you can work with your children, which is also suitable for scientific experiments in school classrooms

Optical-grade lens, upgraded large-sized concave-convex lens, thickened and smoother frame, Three different shapes of small holes, rigorous experiment, good effect

Replace the candle with a professional laboratory grade "f" source Can be used in a variety of common optical experiments

Industrial-grade laser is used, with strong light penetrating power, Crystal clear light, strong penetrability, obvious experimental effect

A scale is marked on the guide rail to facilitate observation and summary of the rules. It is not only a complete set of physics teaching experimental equipment, but also a gift for children's scientific exploration