Test Tubes in Wooden Rack - Lab Equipment Illustration #297202 (License: Personal Use)

This illustration depicts three standard cylindrical glass test tubes placed vertically in a sturdy two-tier wooden rack with evenly spaced slots; the tubes are empty and transparent, showing subtle reflections and shading to suggest realism. The design is clean and schematic, suitable for science education materials or infographics. The symmetrical layout emphasizes organization and readiness for chemical or biological experiments.

Used on educational websites, science blogs, or e-learning platforms to illustrate laboratory equipment, experimental setup, or introductory chemistry/biology concepts; matches user intent for visual aids in STEM teaching resources.