Test Tube Rack with Glass Test Tubes - Lab Equipment Illustration #3376119 (License: Personal Use)

This vector-style illustration depicts a sturdy, brown wooden rack with two horizontal tiers, each holding three vertically aligned clear glass test tubes. The tubes contain small amounts of light-blue liquid at the bottom, suggesting prepared samples or reagents. Clean lines and simple shading emphasize clarity and educational utility.

Used in educational websites, science textbooks, lab safety guides, and STEM resource pages to visually represent basic laboratory equipment; matches user intent for learning about lab tools or preparing teaching materials.