Will this make a big mess?

It will make some dust and paint splatters, but nothing that gets out of hand. Lay down a mat, have wipes handy, and let kids wear an apron. The dough is clean to touch, and most spills wipe up with a damp cloth.

Is it safe for little kids to help?

Yes, with supervision. An adult should handle the saucepan and hot dough. Children can do rolling, cutting, and painting once the dough cools. Keep small decorations like glitter under close watch for toddlers.

Can I swap the ingredients if I am missing something?

Stick to the list for reliable results. Small tweaks like a dusting of extra cornstarch to reduce stickiness work. If you need other activities using baking soda, try a different project like fizzy painting to use supplies in different ways and avoid wasting materials by following our baking soda fizzy painting guide for a change of pace.

What if my ornament doesn’t look perfect?

That is normal. Surface cracks or uneven edges hide under paint and varnish. Imperfections add character and make these feel handmade. If something breaks, you can re-glue carefully or sand and repaint to rescue it.

How long will they last?

When sealed with varnish and kept out of direct sunlight and dampness, they will last for years. If you plan to keep them long term, store in a dry box and handle gently. You can reuse leftovers and even try the technique in other crafts like the baking soda growing tree for more science-style projects.

Easy Baking Soda Galaxy Ornaments 2026

Baking Soda Galaxy Ornaments

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Create beautiful galaxy ornaments using basic kitchen ingredients for a fun, kid-friendly craft.

Author: linda-harper
Prep Time: 30 minutes
Cook Time: 15 minutes
Total Time: 1440 minutes
Yield: 10 ornaments 1x
Category: Craft
Method: Cooking
Cuisine: American
Diet: Vegetarian

Ingredients

Scale

1 cup baking soda
1/2 cup cornstarch
3/4 cup water
Acrylic paint (various colors)
Glitter (optional)
Varnish or sealant (optional)
Ribbons or hooks for hanging

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Instructions

In a saucepan, mix the baking soda, cornstarch, and water.
Stir until the powders dissolve into the water and the mixture looks smooth with no lumps.
Cook over medium heat until it forms a dough, stirring continuously.
Remove from heat and let it cool until warm to the touch.
Roll out the dough and cut into ornament shapes using cookie cutters.
Don’t forget to make holes for hanging with a straw or skewer.
Let the ornaments dry completely on parchment for 24 to 48 hours.
Once dry, paint them with acrylic colors for a galaxy look.
Add a sprinkle of glitter if desired.
After the paint dries, seal them with varnish for durability.
Finally, attach ribbons or hooks for hanging.

Notes

This craft is a fun science project that engages children in creative activities while teaching them about cause and effect.

Nutrition

Serving Size: 1 ornament
Calories: 50
Sugar: 0g
Sodium: 0mg
Fat: 0g
Saturated Fat: 0g
Unsaturated Fat: 0g
Trans Fat: 0g
Carbohydrates: 13g
Fiber: 0g
Protein: 0g
Cholesterol: 0mg

Find it online: https://www.diymadeeasy.com/baking-soda-galaxy-ornaments/