Laboratory Test Tubes with Blue Liquid - Science Education Illustration #3716900 (License: Personal Use)

This vector-style illustration depicts three identical glass test tubes, each partially filled with vibrant blue liquid and capped with white stoppers, standing upright in a solid red rectangular rack. The design emphasizes clarity and simplicity, making it suitable for textbooks, digital learning modules, or safety posters in educational labs. The uniformity suggests controlled experimental conditions or standardized reagent preparation.

Commonly used in K-12 and introductory college science materials to illustrate lab equipment, chemical handling, or experimental setups; matches user intent for visual aids in STEM education, lab protocol documentation, or classroom presentations.