Discover how chemical reactions make solutions change colors with this STEM related science kit! Make a solution with the red cabbage powder and water, then add baking soda to see the color change. You can add citric acid for a different color. And pour two solutions together for a fizzy reaction! Learn how to hide or reveal secret messages too! The kit includes everything you need to perform the experiments along with an experiment guide. This would make a great gift for your young scientists!