Super Test Tubes with Stands 20 Pieces

Use this set of 16 large clear plastic test tubes in a variety of ways sprouting seeds color mixing experiments or magnifying. The clear test tubes have colored tops 4 each in blue green red and yellow. Set also includes 4 test tube stands 1 in each of the 4 colors listed above. Stands fit SUPERSET test tubes or any large test tube preforms or baby soda bottles measuring approximately 5 34 H x 1 diameter.