Such simple items can be transformed into a cool activity that blends both science and art. If you have an empty water bottle, water, vegetable oil and food coloring, you can make this fascinating kid's activity! As a bonus, it also teaches kids about liquid density (and an explanation about that is included in this post!).

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Cool Crafts for Teens and Tweens, DIY Crystal Geodes make fun room decor and an easy crafts project tutorial

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