1pcs Convex Mirror Lens | 50mm Diameter and 200mm Focal Length Troughs 50 x 3/4" x 3"

50 x 3/4" x 3" Adhesive plastic bandages

Premium Quality: Rain Guage Glass is made of high-grade construction all the way through

3 Long Neck Boiling Flask 100ml

Thanks to the wide-range input (100-240V AC)

this lifting stand is ideal for use in a variety of laboratory settings and experiments

1pcs Convex Mirror Lens | 50mm Diameter and 200mm Focal Length Troughs 50 x 3/4" x 3"High Quality Glass: Made from durable and high quality glass, this Convex Mirror is designed to last and provide accurate and reliable results in a variety of scientific applications. 50mm Diameter: With a diameter of 50mm, this lens is perfect for use in a range of optical experiments, including refraction, reflection, and more. 200mm Focal Length: Featuring a 200mm Focal Length, this lens is an ideal tool for creating focused images and light beams.