Black Glue and Salt Watercolor Rainbow - One of our Favorite Rainbow Activities

With all the rainy weather this month, it is the perfect time for some fun rainbow activities. We love rainbows at our house and have made Rainbow Jello and Rainbow Fruit Loop Towers. We recently made a rainbow using black glue, salt and watercolors. I am in love with the vibrant, textured rainbows we created, and am excited to share how your kids can create them as well.

You will need:

• Salt
• White glue
• Black paint
• Watercolors
• Pencil
• White paper

To make black glue, empty your glue bottle so it's only half full. Then add some squirts of black paint. Use enough black paint to fill up an additional quarter of the glue bottle. Shake the mixture until it is totally combined. 

Draw a rainbow on a sheet of white paper and outline it with the black glue. Let this dry for a few hours until the glue has hardened to the touch.

Now it's time to start painting. If you have younger kids who have trouble remembering the colors of the rainbow, you can paint a dot of the correct color into each section so they can follow along.

My kids were careful to stay within the lines of black glue, but I think having the colors blend would look great too.

Make sure your painting is fairly wet before adding salt. If parts of it have dried already, have your child go over it again with a wet brush.

Next, add your salt. A shaker works great here so that kids can shake the salt on themselves.

Leave the salt on until the painting dries and then you can shake off the excess.

You will be left with a vibrant rainbow painting which has a sandy texture. If you are looking for rainbow activities, this is one that will brighten up any rainy day.

For more fun with black glue check out:

Fall Leaves using Black Glue

Hearts with Black Glue

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