Colorful Test Tubes in Lab Rack - Science Experiment Illustration #286188 (License: Personal Use)

This vector-style illustration shows six transparent test tubes arranged in a gray metal rack. Each tube contains a distinct liquid-purple, yellow, blue, green, pink, and clear-with visible gas bubbles rising in some, suggesting active chemical reactions. The design is bright, educational, and suitable for teaching basic laboratory concepts.

Commonly used on educational websites, science blogs, K-12 curriculum pages, or STEM resource hubs to visually represent chemistry experiments, lab safety, or the scientific method. Matches user intent for finding engaging, royalty-free science imagery.