Crafting your very own galaxy in a jar is not only a fun and creative activity but also a great way to explore the wonders of the cosmos right from your home. This engaging craft brings together the mesmerizing beauty of outer space and the therapeutic elements of DIY projects. With just a few simple materials, you can create a stunning, colorful display that captures the essence of distant galaxies and twinkling stars. Whether you’re looking to create a unique decorative item or a thoughtful gift, this space jar is sure to inspire wonder and imagination. It’s perfect for children and adults alike, offering a hands-on experience that encourages creativity and excitement about the universe around us.
Why You’ll Love This Space Jar (Galaxy in a Jar)
- Visual Appeal: The vibrant colors and shimmering effects create an eye-catching masterpiece.
- Stress Relief: Engaging in craft activities is therapeutic and relaxing.
- Educational Opportunity: Learn about astronomy and the structure of galaxies while crafting.
- Customizable: Make it uniquely yours with different colors, glitter, and jars.
- Great Gift Idea: Perfect for birthdays, holidays, or just because!
- Fun for All Ages: Suitable for both kids and adults, making it a fun family project.
Materials
- Clear glass or plastic jar with a lid
- Blue and purple food coloring
- Water
- Baby oil or vegetable oil
- Glitter (silver, gold, or any color of your choice)
- Cotton balls
- Small space-themed decorations (like tiny stars or planets)
- Optional: LED string lights (for added glow)
Full Step-by-Step
1. Prepare Your Jar
- Start by cleaning your jar thoroughly.
- Leave it to dry completely to avoid any water mixing with your liquids.
2. Make the Galaxy Base
- Fill the jar about 1/4 of the way with water.
- Add 5-10 drops of blue food coloring into the water. Stir to mix.
3. Add the Baby Oil
- Slowly pour in the baby oil to fill the jar nearly to the top. Leave a little space to avoid overflow.
- Watch as the oil and water separate, creating a beautiful layer effect!
4. Incorporate the Glitter
- Sprinkle in a generous amount of glitter to mimic the stars in the galaxy.
- Swirling glitter will give your jar a sparkling effect.
5. Create the Galaxy Effect
- Tear small pieces of cotton balls and scatter them throughout the jar.
- They will add softness and texture, reminiscent of distant nebulae.
6. Add Space Decoration (Optional)
- If using, place tiny stars or planets on top for a whimsical touch.
7. Final Touches
- Secure the lid tightly. If desired, wrap LED string lights around the jar for a magical glow.
- Shake gently to see the glitter and colors come alive!
Tips & Variations
- Color Swaps: Experiment with different food colorings to create new galaxy shades (e.g., pink, green).
- Layered Effects: For a more detailed look, use multiple jars with different colors layered one on top of the other.
- Incorporate Fragrance: Add a few drops of essential oil for a pleasant scent while admiring your galaxy.
- Use Larger Jars: For a more dramatic display, opt for larger jars to create an expanded galaxy.
Frequently Asked Questions
1. Can I use other types of oil?
Yes, vegetable oil works well too! Just ensure it’s clear and light.
2. What if I don’t have food coloring?
You can use paint or ink, but be careful as they may not mix as well.
3. Will the glitter settle at the bottom?
Yes, it may settle; giving the jar a gentle shake will reactivate the effects.
4. How can I clean the jar later?
Soak it in warm soapy water to easily remove any residue, especially if glitter is stuck.
Suggestions
- After making your craft, consider using it as a nightlight by placing it on a bedside table.
- Gift it with a handwritten note about constellations or planets for an educational twist.
- Use different themes, like underwater or forest gnomes, by changing the colors and decorations.
Final Thoughts
Creating a galaxy in a jar is a fantastic way to let your creativity soar! We encourage you to share your versions or any unique twists you make on this craft. Leave a comment below on your experience and ideas, or post pictures of your creations online! Happy crafting!

Galaxy in a Jar
Ingredients
Main Materials
- 1 jar Clear glass or plastic jar with a lid
- 5-10 drops Blue and purple food coloring
- Water to fill 1/4 Water
- 1 cup Baby oil or vegetable oil Ensure it's clear and light.
- 1 generous amount Glitter (silver, gold, or any color of your choice) To mimic stars in the galaxy.
- 1 bag Cotton balls For adding softness and texture.
- Small decorations Small space-themed decorations (like tiny stars or planets) Optional for added charm.
- 1 string LED string lights Optional for a magical glow.
Instructions
Preparation
- Start by cleaning your jar thoroughly.
- Leave it to dry completely to avoid any water mixing with your liquids.
Making the Galaxy
- Fill the jar about 1/4 of the way with water.
- Add 5-10 drops of blue food coloring into the water. Stir to mix.
- Slowly pour in the baby oil to fill the jar nearly to the top. Leave a little space to avoid overflow.
- Watch as the oil and water separate, creating a beautiful layer effect!
- Sprinkle in a generous amount of glitter to mimic the stars in the galaxy.
- Tear small pieces of cotton balls and scatter them throughout the jar.
- If using, place tiny stars or planets on top for a whimsical touch.
- Secure the lid tightly. If desired, wrap LED string lights around the jar for a magical glow.
- Shake gently to see the glitter and colors come alive!