Excellerations Super Test Tubes with Stands - 20 Pieces

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 5-3/4 inches H x 1 inches Dia.