Details
Each test tube set includes 6 flat-bottomed test tubes, 6 different-colored stoppers, 1 reusable cleaning brush, 1 test tube rack and an activity guide. Not only does our test tube set come with a storage rack, but the test tubes themselves have flat bottoms which allow them to stand on their own. Test Tubes with lids: Colored stoppers click into place for no-spill experiments. Ages 3+
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