Rapid-Growing Rainbow Sugar Crystal Eruption 😍 You'll Need: Granulated sugar Hot water Food coloring Baking soda White vinegar Small bowls or cups Spoons A shallow plate or dish Instructions: 1. Prepare the Crystal Mounds You will make six small piles of sugar that will later erupt and crystallize. On your shallow plate, scoop six small piles of granulated sugar (about 2–3 tablespoons each). Keep some space between the piles. Add 1–2 drops of food coloring directly onto each pile (red, orange,