Lab Test Tubes in Wooden Crates - Scientific Equipment Illustration #2216114 (License: Personal Use)

This isometric illustration depicts two light-wood crates containing upright cylindrical test tubes-seven with green caps and five with red caps-suggesting sample categorization or experimental grouping. Two additional tubes lie horizontally in the foreground, one uncapped, emphasizing accessibility and real-world handling. The clean, minimalist style supports clarity for educational or procedural documentation.

Used on science education websites, laboratory safety manuals, medical supply catalogs, or STEM curriculum pages where visual organization of lab equipment is needed; matches user intent for understanding sample handling, lab setup, or classroom demonstration visuals.