Crafting your own baking soda galaxy ornaments is a fun, creative, and educational project for both kids and adults. These ornaments add a whimsical touch to your holiday decor and can be personalized to reflect your unique style. The process celebrates the wonders of science through the simple combination of baking soda, vinegar, and creativity, resulting in delightful decorations reminiscent of outer space. Plus, it’s an opportunity to bond with friends and family while engaging in a hands-on activity.
Why You’ll Love This Baking Soda Galaxy Ornaments:
- Creative Expression: Each ornament can be customized with colors and designs.
- Easy To Make: With simple ingredients, this project requires minimal effort.
- Educational Fun: It’s a perfect blend of art and science, sparking curiosity.
- Kid-Friendly: Safe and suitable for children with adult supervision.
- Eco-Friendly: Made from non-toxic materials that are safe for the environment.
Materials:
- 1 cup baking soda
- ½ cup cornstarch
- ½ cup white vinegar
- Food coloring (blue, purple, black)
- A mixing bowl
- Cookie cutters (space-themed shapes)
- Baking sheet
- String or ribbon for hanging
- Optional: glitter for extra sparkle
Full Step-by-Step:
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Prepare the Mixture:
- In a mixing bowl, combine 1 cup of baking soda and ½ cup of cornstarch.
- Pour in ½ cup of white vinegar slowly and watch it fizz; this is a fun sensory moment!
-
Add Color:
- Mix the ingredients until they form a dough-like consistency.
- Divide the dough into portions and add food coloring in different shades to each, kneading until the color is evenly distributed.
-
Shape Your Ornaments:
- Roll out the colored dough on a flat surface.
- Use space-themed cookie cutters to create your galaxy shapes.
- Carefully transfer the shapes to a baking sheet.
-
Create a Hanging Hole:
- Use a straw or a small object to punch a hole at the top of each ornament.
-
Bake:
- Preheat your oven to 200°F (93°C).
- Bake the ornaments for 1-2 hours until they harden, flipping them halfway through.
-
Decorate:
- After cooling, you can add glitter or additional paint for a shimmering effect.
- Thread string or ribbon through the holes for hanging.
Tips & Variations:
- Swap cornstarch with potato starch for a different texture.
- Experiment with different color combinations for a more vibrant galaxy.
- Use essential oils in the dough for a fragrant touch.
- Add beads or other embellishments to incorporate a 3D effect.
Frequently Asked Questions:
-
Can I use other types of dye or paint?
- Yes, acrylic paints can be used after the ornaments have dried for more intricate designs.
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What if I don’t have cornstarch?
- You can try using rice flour as a substitute for a similar texture.
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How long do these ornaments last?
- They can last for years if stored in a cool, dry place away from moisture.
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Can I make larger ornaments?
- Yes, you can scale up the size by increasing the quantities of the ingredients, just adjust the baking time accordingly.
Suggestions:
- Create a themed mobile by stringing multiple ornaments together.
- Host a baking soda galaxy ornament-making party with friends.
- Use the ornaments as gift tags or decorations on presents.
- Incorporate different shapes, like planets and stars, for variety.
Final Thoughts
Creating baking soda galaxy ornaments is a fantastic way to express creativity and engage in a hands-on science project. Don’t forget to share your own versions or leave a comment about your experience! We’d love to see how your galaxy ornaments turn out! Happy crafting!

Baking Soda Galaxy Ornaments
Ingredients
Ornament Ingredients
- 1 cup baking soda Main ingredient for the dough.
- ½ cup cornstarch Can be substituted with potato starch.
- ½ cup white vinegar React with baking soda for the dough.
- as needed food coloring (blue, purple, black) For coloring the dough.
- as needed glitter Optional, for decoration.
Equipment
- 1 mixing bowl For combining ingredients.
- as needed cookie cutters (space-themed shapes) For shaping the ornaments.
- 1 baking sheet To bake the ornaments.
- as needed string or ribbon For hanging the ornaments.
Instructions
Prepare the Mixture
- In a mixing bowl, combine 1 cup of baking soda and ½ cup of cornstarch.
- Pour in ½ cup of white vinegar slowly and watch it fizz.
Add Color
- Mix the ingredients until they form a dough-like consistency.
- Divide the dough into portions and add food coloring in different shades, kneading until the color is evenly distributed.
Shape Your Ornaments
- Roll out the colored dough on a flat surface.
- Use space-themed cookie cutters to create your galaxy shapes.
- Carefully transfer the shapes to a baking sheet.
Create a Hanging Hole
- Use a straw or a small object to punch a hole at the top of each ornament.
Bake
- Preheat your oven to 200°F (93°C).
- Bake the ornaments for 1-2 hours until they harden, flipping them halfway through.
Decorate
- After cooling, add glitter or additional paint for a shimmering effect.
- Thread string or ribbon through the holes for hanging.