How to Make Egg Geodes

Geodes are hollow rocks take thousands of years to form. Egg geodes take about a day! Cheryl from Omaha Children's Museum will show kids how to make these unique geode creations!
Science is everywhere, even in the kitchen!
Here's what you'll need to make egg geodes:
Water
Food coloring
Crystal material (alum, Epsom salts, rock salt, table salt, or sugar)
Eggshells cleaned and dried
School glue
Paintbrush
Microwave and microwave safe container, or stovetop and pan
Spoons
Small cups