Test Tube Rack Illustration - Science Lab Equipment Clipart #3637820 (License: Personal Use)

This vector-style illustration shows three transparent glass test tubes, each partially filled with light blue liquid, seated in a sturdy brown wooden rack with upper and lower shelves. The design uses bold black outlines and subtle shading to convey depth and realism while maintaining a simplified, accessible aesthetic suitable for educational materials. The transparent background allows seamless integration into digital interfaces or print layouts.

Commonly used on educational websites, science curriculum pages, lab safety guides, or children’s STEM resources to visually represent basic laboratory equipment. Matches user intent for free clipart, teaching aids, or iconography related to chemistry or biology experiments.