SCIENCE GIZMOS: Test tubes crash proof (28mm o.d x 140mm long x 40ml)

This science gizmo is a transparent durable test tube, made of solid plastic, supplied with lids. (also known as Crash Proof Test Tube). These are very strong and sturdy test tubes with dimensions 28mm o.d x 140mm long x 40 ml. Supplied in packs of 10. Scientific Gizmos are fun and easy to use to demonstrate the properties, mechanics and applications used and taught in Physics and Chemistry labs. (NOTE: Brand may vary from image displayed). For other Gizmo options, click here.