Colorful Lab Test Tubes with Measurement Rulers - Science Education Illustration #8856 (License: Personal Use)

This vector-style illustration features four upright laboratory test tubes, each filled with a distinct colored liquid-blue, yellow, purple, and green-and decorated with white polka dots. The transparent upper portion displays calibrated measurement markings, enhancing the scientific theme while maintaining a fun, accessible aesthetic suitable for children or introductory science content.

Commonly used on educational websites, STEM curriculum pages, science-themed infographics, or children’s learning apps to visually represent experiments, chemistry concepts, or lab equipment in an engaging way.