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Colorful rainbow crystal sea urchins in a marine aquarium setting.
Recipe

Colorful Rainbow Crystal Sea Urchins

Create stunning colorful decorations resembling sea urchins through a simple crystal growth process using borax and food coloring.

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Materials

For the solution

  • 1 cup Borax Use pure borax suitable for craft projects.
  • 3 cups Boiling water Ensure water is boiling for best results.

For decoration and structure

  • 1 piece Clear jar or container Use a jar that allows for easy observation of the crystals.
  • 1 piece String String should be long enough to hang inside the jar.
  • 1 piece Pencil To hold the string in place.
  • a few drops Food coloring Optional, for coloring the crystals.

Instructions

Preparation

  • Combine 3 cups of boiling water with 1 cup of borax in a jar. Stir until the borax dissolves completely.
  • If adding color, add a few drops of food coloring to the solution and stir gently.

Setting Up

  • Tie one end of the string to the pencil and the other end to the base of the jar, ensuring it hangs inside without touching the bottom.

Crystallization

  • Place the jar somewhere undisturbed for at least 24 hours to allow crystals to form.
  • After a day, check the crystals. If they look good, carefully remove the string.

Drying

  • Allow the crystals to dry completely on a paper towel or dish for a few hours.

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Tips & Notes:

Keep safety in mind when handling borax and hot water. Ensure adult supervision is present. Store dry crystals in a safe place to enjoy their beauty.

Nutrition Information: Serving: | Calories: | Carbohydrates: | Protein: | Fat: | Sodium: | Fiber: | Sugar:

Author: Course: Cuisine: Keyword: Borax Craft, Colorful Decor, Crystal Craft, DIY project, Sea Urchins

Nutritional information is provided as a courtesy and calculated automatically. Values can vary depending on the brands and ingredients you use, so if you’re tracking closely, I recommend calculating with your own preferred tool.