Test Tube Rack, 25 mm, 24 holes

This stable, high-capacity, three-tier test tube rack holds 21 test tubes up to 30 mm in diameter.

For small & large test tubes.

Pack of two extra large test tubes, 20 x 150 mm.

Pack of two test tubes.

Handheld clamp holder for heating a single test tube over a flame.

Get your class excited about science with this set of 30 clear, unbreakable giant test tubes.

A stable, economical test tube rack for holding standard test tube sizes.

You will make a lot of kids happy with this pack of 15 clear, unbreakable giant test tubes.

This wooden stand fits all test tube sizes. Includes 6 drying pegs.

This brightly colored red and blue plastic test tube rack holds five large test tubes.