Time to paint a galaxy
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Paint a colorful galaxy scene on paper or canvas using sponges, brushes, and white splatter for stars while exploring color mixing and space patterns.

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Step-by-step guide to paint a galaxy

What you need
Acrylic or tempera paints including dark colors bright colors and white, adult supervision required, apron or old shirt, cup of water, paintbrushes of different sizes, paper or canvas, paper plate or palette, paper towels or old cloth, small sponges or sponge pieces, toothbrush or small stiff brush for splatter

Step 1

Put on your apron or old shirt to protect your clothes.

Step 2

Cover your workspace with paper towels or an old cloth to catch paint.

Step 3

Place your paper or canvas flat on the covered workspace.

Step 4

Squeeze small puddles of the colors you want to use onto your paper plate or palette.

Step 5

Paint the whole paper or canvas a dark color like black or deep blue to make the space background.

Step 6

Mix two colors on your palette to create a new shade for your galaxy clouds.

Step 7

Press a sponge with the mixed color onto the dark background to form soft nebula shapes.

Step 8

Repeat mixing and dabbing with different colors to build layers and bright patches in the galaxy.

Step 9

Dip the toothbrush or stiff brush into white paint thinned with a little water for the stars.

Step 10

Hold the brush over your painting and pull your thumb across the bristles to splatter tiny white stars.

Step 11

Use a small brush to add a few larger stars or twinkling crosses for sparkle.

Step 12

Let your painting dry completely before touching or moving it.

Step 13

Share your finished galaxy creation by posting a photo of it on DIY.org.

Final steps

You're almost there! Complete all the steps, bring your creation to life, post it, and conquer the challenge!

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Help!?

If I don't have a canvas, sponge, or paper plate, what can I use instead?

Use heavy cardboard from a cereal box or thick watercolor paper as your 'canvas', a folded kitchen sponge or crumpled paper towel to press nebula shapes, and a clean plastic lid or piece of aluminum foil as your palette to squeeze puddles of paint onto.

My nebula colors look muddy or the splattered stars are barely visible—what should I try?

Avoid over-mixing colors on the palette and let each sponge layer dry before dabbing the next to prevent muddiness, and thin the white paint with a little water and test the toothbrush splatter on scrap paper to get brighter stars.

How can I adapt this galaxy painting for younger kids versus older kids?

For younger children, have them paint the dark background and press a single mixed color with a sponge for nebula shapes and add star stickers instead of splattering, while older kids can try multiple color mixes, finer toothbrush splatters, and detailed stars with a small brush as in the steps.

What are some fun ways to personalize or enhance the finished galaxy?

Add metallic or glow-in-the-dark paint for extra sparkle, paint a few named constellations with the small brush, and seal the dry painting with clear varnish before posting your photo on DIY.org.

Watch videos on how to paint a galaxy

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Easy Galaxy Painting Tutorial: Step-by-Step Acrylic Art for Beginners | How to Paint a Galaxy

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Facts about painting and color mixing for kids

✨ Flicking white paint with a toothbrush or stiff brush is a quick way artists make realistic star splatters.

🎨 By mixing just three primary paints (red, blue, yellow) you can make hundreds of new colors for your galaxy!

🎆 Jackson Pollock helped popularize splatter and drip techniques that turn paint splashes into exciting textures.

🌌 Our Milky Way galaxy contains an estimated 100–400 billion stars—your painted stars are a tiny peek at that crowd.

🧽 Sponges are classic tools for painters—dabbing with a sponge creates the soft, cloudy look of nebulae.

How do you paint a galaxy with sponges, brushes, and white splatter?

Start with a taped-down sheet of paper or canvas and paint a dark base (black or deep blue). Dab sponges with bright colors (purple, teal, magenta, blue) and gently blend to form nebula shapes. Use brushes for swirls and to soften edges. Once dry, dip a toothbrush or stiff brush in thinned white paint and flick to create star splatter. Add a few larger star dots and metallic highlights, then let fully dry.

What materials do I need to paint a colorful galaxy scene?

You’ll need paper or canvas, acrylic or tempera paints (black, blues, purples, pinks, white), kitchen sponges or foam pads, assorted brushes, a toothbrush or splatter tool, a palette, water cup, paper towels, painter’s tape, and an apron or smock. Optional extras: metallic/iridescent paints, glitter, salt for texture, and a hairdryer to speed drying. Use washable paints for younger children.

What ages is galaxy painting suitable for?

Galaxy painting suits preschoolers through teens with adjustments: ages 4–6 enjoy simple sponge dabbing and color mixing with close adult supervision. Ages 7–12 can handle blending, brushwork, and controlled splatter techniques. Teens and adults can experiment with layers, metallics, and detailed stars. Always supervise younger children for splattering steps and provide washable paints to reduce mess and risk.

What are the benefits of painting galaxy scenes?

Painting a galaxy boosts creativity, teaches color mixing, and develops fine motor control through sponging and brushwork. It encourages experimentation with layers and textures, builds focus and patience, and can be calming and confidence-boosting when children see a finished piece. The theme also sparks curiosity about space, linking art with basic STEM conversation and storytelling while being easy to adapt for different skill levels.
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Time to paint a galaxy. Activities for Kids.