This product contains 4 chemical reaction demonstrations that you can do safely in the classroom. All materials that you need are listed for you for each demonstration as well as a list of everything you need to complete all 4 demonstrations. Items needed are very basic science materials such a an eye dropper; and household items such as bleach or vinegar. Included are pages for students to write their hypothesis and observations of what happened during the demonstration to keep them accountable. Please check out the preview file for an example of one demonstration.