1pcs Concave Mirror Lens | 75mm Diameter and 150mm Focal Length Skin Model 137-Piece Organic Molecular Model Set

137-Piece Organic Molecular Model Set

Luminous needle tip

Mounted on a baseboard for easy display in classroom or doctor's office

causing electrons in the gas to be excited

6 beakers can meet your different needs

1pcs Concave Mirror Lens | 75mm Diameter and 150mm Focal Length Skin Model 137-Piece Organic Molecular Model SetHigh Quality Glass: Made from durable and high quality glass, this Concave Mirror Lens is designed to last and provide accurate and reliable results in a variety of scientific applications. 75mm Diameter: With a diameter of 75mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 150mm Focal: Featuring a 150mm focal, this lens is an ideal tool for creating focused images and light beams.