juler Educational Toys STEM Toys Science Kits Optical Laboratory Equipment Convex Lens Imaging Small Hole Imaging Small Optical Bench,White,One Size

Description

Product Name:Student's small optical benchIt is the best way to complete the optical experiment with optical bench. The length of the guide rail is 50 cm. It is lighter than the traditional optical bench and easy to assemble and Store.Replace the candle with a professional laboratory level "f" source