Is a high quality vertical binocular microscope, widely used in biological research, academic education and medical diagnosis and other fields. It has a double-layer mechanical stage to provide a stable observation platform. Its optical system uses a high-quality lens and objective combination to ensure a clear, high-contrast observation image. Equipped with an adjustable LED lighting system, it can provide uniform and stable lighting, so that the sample is fully illuminated during observation. Supports magnification from 40 times to 2500 times to meet different observation needs. Its design focuses on user-friendliness, easy operation, suitable for users of different ages and technical levels.

The BT-01 submarine is a multi-purpose 2WD submarine model designed by Japanese manufacturer Tamiya.