Twelve 30ml Glass Test Tubes With Cork Stopper, 20x150mm Storage Tubes With Cap, Twelve Hole Acrylic Rack, Plant Propagation Vase, Lab Experiment Kit For Science Projects, Candy Liquid Party Decor

Set of Twelve 30ml Glass Test Tubes with Cork
✔️ Includes rack and brush; borosilicate 3.3 glass, 30ml tubes

These clear glass test tubes are ideal for science projects, classroom experiments, and decorative displays. Each tube holds 30 ml and uses a snug cork stopper for a secure seal. The package includes a 12-tube acrylic rack and a premium brush for cleaning.

✅ 12 tubes, 20mm dia x 150mm long, 30ml capacity (20mm/0.59in, 150mm/5.91in)
✅ 3.3 borosilicate glass, high heat resistance, acid & alkali resistant
✅ Tight cork stoppers seal air and liquid; easy to insert/remove
✅ Includes 1 acrylic rack and 1 premium brush for cleaning and setup

💡 What is a glass test tube used for in home science labs and classroom projects? Glass test tubes are handy containers for small experiments, storage, and display.

- Holding liquids and solids for quick experiments - Observing reactions through clear glass in a safe, compact vessel - Storing small parts like seeds, beads, or spices for projects