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Rainbow Sugar Crystal Eruption

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A gentle, sensory project to create beautiful sugar crystals in various colors, perfect for a calming experience.

Ingredients

Scale
  • 2 cups Granulated sugar
  • 1 cup Water
  • Food coloring or liquid watercolors (several colors)
  • Cotton string or thin kitchen twine
  • Wooden skewers, pencils, or popsicle sticks
  • Clothespins or clips to suspend strings
  • Small paper clips or a metal washer to weigh the string
  • A small saucepan for heating the solution
  • Measuring cups and a spoon for stirring
  • A tray or towel to protect your work surface
  • Safety items: oven mitts or a kitchen towel

Instructions

  1. Prepare your workspace and jars.
  2. Tie a string to a skewer or pencil, making sure it hangs into the jar without touching the sides.
  3. Warm water in the saucepan over low to medium heat.
  4. Add sugar gradually, stirring slowly until dissolved.
  5. Test for saturation by dropping syrup onto a cold plate.
  6. Divide the hot solution into jars carefully.
  7. Add food coloring to each jar and stir gently.
  8. Suspend the strings into each jar using clips.
  9. Move the jars to a cool place to let them crystallize.
  10. Watch and wait, checking daily for crystal formation.
  11. Lift and dry the crystal strings once they are full and sparkly.
  12. Arrange your rainbow eruption for display.

Notes

Store crystals in a dry, cool place away from humidity. For reusable jars, clean with hot water and soap.