DIY Kids. January 23rd, 2026

DIY Galaxy Projects inspired by Nebula, Space and Universe

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DIY galaxy projects are having a major moment—and for good reason. The swirling colors of nebulae, star fields, constellations, and cosmic skies translate beautifully into art, home décor, and crafts that feel dreamy, modern, and visually striking.

Whether you’re a beginner crafter or an experienced DIYer, galaxy-inspired projects let you experiment with color, texture, and light while creating something truly magical. Want to make aesthetic galaxy crafts that look polished—not messy or childish, then these projects are for you.

What Are DIY Galaxy Projects?

DIY galaxy projects are crafts inspired by outer space themes, including:

Nebula clouds
Starry skies
Milky Way patterns
Planets of the solar system and constellations
Deep-space color palettes (blues, purples, blacks, pinks) inspired by black holes, space rocks, comets, asteroids, meteoroids and even dark matter

Best Color Palettes for Galaxy Projects

To achieve a realistic and aesthetic galaxy look, use:

Black or deep navy (base)
Indigo, cobalt, midnight blue
Purple, violet, magenta
Soft pink or coral (nebula glow)
White or silver (stars)
Optional metallics or iridescent accents

DIY Galaxy Projects and Ideas

There are a variety of magical space projects you can craft like dream catcher, wall art, jewelry, printing on fabric, and even cool jewelry. You can make lanterns, soap, slime (oobleck), bath bombs, or paint seasonal items like Easter eggs and Christmas tree. These also make personalized gifts for zodiac and nebula jars are the most popular galaxy craft. Now lets get started with some cool projects:

1. The Classic Nebula Galaxy Jar

The galaxy jar is the gold standard of space crafts. It uses simple materials to mimic the appearance of a deep-space nebula.

Materials: Glass mason jar, cotton balls, water, acrylic paint (indigo, magenta, teal), and fine silver glitter.

The Secret: Layering is key. Don’t mix the colors completely; let the wet cotton balls act as a “cloud” that holds the pigment in wispy, gas-like shapes.

2. Glow in the dark galaxy jars

Use glow in the dark fabric paint and paint brush to turn glass jars into Glow in the dark Galaxy Jars by sprinkle painting inside the jar.

3. Celestial Watercolor Galaxy Art

Watercolor is the best medium for replicating the fluid look of cosmic gas clouds.

Technique: Use the “wet-on-wet” method. Soak your paper first, then drop in dark blues and purples.

The “Star” Finish: Once dry, dip a toothbrush in white gouache or acrylic paint and flick the bristles to create a realistic star field.

4. Illuminating Constellation Wall Art

Trace your constellation and paint the frame black leaving the white spots. Draw the lines with a white acrylic marker and stick twinkle lights at the back of the canvas.

5. Cosmic Paper Lanterns

Turn standard white paper lanterns into glowing orbs of starlight.

How-to: Sponge-paint the exterior with dark galaxy hues. Once dry, use a thick needle or awl to poke tiny holes in the shape of actual constellations (like Orion or the Big Dipper). When the light is turned on, it casts “stars” across your walls.

6. Galaxy-Themed Painted Rocks

Perfect for desk decor or “kindness rocks” these miniature universes are surprisingly meditative to create.

Pro Tip: Start with a solid black base coat. This makes the metallic purples and teals pop with much higher contrast.

You can do the same with seasonal items like Easter eggs. Splatter paint on black painted plastic eggs to make DIY Galaxy Easter Eggs.

Related: Painted Easter Egg Ideas

7. Glowing Galaxy Sensory Slime

For a tactile experience, borax free galaxy slime combines clear glue, star-shaped confetti, and glow-in-the-dark pigment. It’s an aesthetic way to de-stress while holding a “piece of the universe” in your hands.

8. Cosmic Galaxy Dream Catcher

Interstellar Nebula in a cosmic galaxy native woven dream catcher.

9. Painted galaxy umbrella

Turn an ordinary umbrella around with space fun.

10. DIY galaxy nail art

11. DIY galaxy shoes

Make DIY Galaxy Crafts

12. Handmade Nebula necklace

Turn mini jars into Nebula necklaces with galaxy jar formula.

13. Element jar necklace

Seal it with cork lid and your necklace is ready.

14. Galaxy art pumpkin

DIY Galaxy Pumpkin with some paint brushes and splatters to get the space look.

15. Make galaxy print

16. Homemade galaxy soaps

DIY Galaxy Art

17. How to spray paint a galaxy art?

Paint a galaxy in 30 minutes with this awesome cardboard box trick.

Galaxy inspired science projects for kids

18. Galaxy dough

Make Galaxy dough for sensory activities using flour, salt, water, baby oil, cream of tartar, food coloring, glycerin and glitter.

19. Reflective galaxy on paper

Kids will enjoy rainbow paper color science experiment. In a bowl of water sprinkle some nail polish and dip and dry black construction paper on towel or hang dry to make various color reflections.

20. DIY nebula jewelry

Decoupage painted paper on wood and coat it with resin.

21. Printed galaxy envelopes

Print galaxy on white paper using colored printer and make envelopes.

22. DIY galaxy bag

DIY galaxy clutch using paints and foam brush. Coat it with fabric mod podge to seal your work.

23. Make Galaxy Oobleck Kids Sensory Activities

DIY Galaxy Oobleck to develop kid’s sensory skills. You will need cornflour, water and food colors for this science experiment.

Related: abstract art projects

24. Galaxy light DIY

Turn simple black candle light votives into shining galaxy with some paint and glitter.

25. Galaxy bath bomb

26. Galaxy black tshirt

Galaxy painted black shirt or use spray paints.

27. Twist dye galaxy

Galaxy twist dye and bleach tshirt tutorial.

How to Seal and Protect Galaxy Crafts

Acrylic spray sealer for paintings
Mod Podge for paper projects
Resin for jewelry and trays
UV-resistant varnish for longevity

Learn more: Best Sealer: How to Waterproof Acrylic Paint on Rocks, Wood, Glass Crafts

Expert Tips for Better Results

Always test colors before final application
Work in layers—galaxies aren’t flat
Study real nebula photos for inspiration
Use high-quality materials
Allow proper drying time

Common Questions About Galaxy DIYs

1. How do you make a galaxy look realistic?

The key to a realistic nebula look is contrast and layering. Always start with a dark base (black or deep navy) and layer your brighter colors (magenta, cyan) sparingly. Use a sea sponge rather than a brush for “cloudy” textures.

2. What paint is best for galaxy projects?

Acrylic paint is preferred for most surfaces (jars, rocks, wood) because it is opaque and dries quickly. For paper-based aesthetic art, liquid watercolors provide the best blending for gas-cloud effects.

3. How do you make your galaxy craft glow?

You can mix phosphorescent (glow-in-the-dark) powder into your paint or water. For jars, using glow-in-the-dark star stickers on the inside of the glass adds a 3D depth effect when the lights go out.

DIY galaxy projects combine creativity, science, and art into one magical experience. Whether you’re painting a nebula canvas, making galaxy jewelry, or decorating your home with cosmic accents, these projects allow you to express creativity while producing aesthetic, modern results.

The universe is vast—your creativity can be too.