Last Updated on September 28, 2026 by Sheryl Cooper
Inside: What colors can you make when mixing red, blue and yellow? That’s what preschoolers will discover during this Mouse Paint color mixing activity!
During our rainbow theme I love to read the book Mouse Paint.
There are a lot of crafts out there related to this book, but I wanted something that was process art.
An activity that involved color mixing and choosing what to do with the paint.
In my teaching experience, toddlers and preschoolers love to mix colors!
Some examples:
It seemed only fitting to mix red, blue, and yellow after reading Mouse Paint and my two and three year olds enjoyed the process!

Mouse Paint Color Mixing Art
We do a variety of arts and crafts at the art table.
Lately I’ve been focused more on process art, although we do crafts now and then. (Especially over the holidays.)
I love watching what the children will do with the materials given and there is no expected outcome. No two ever look alike.
Watch the Video
Art Center
Our art center is part of our free-choice centers time.
It’s at a long table closest to our main sink and has six chairs.
We usually open the art center about ten minutes after centers time begins so that a teacher can be nearby for assistance.
Watch: The Easiest Ways to Manage the Art Center

Read the Book First
Before this activity, I recommend first reading Mouse Paint during circle time.
You can introduce the colors during this time, too.
Then, it’s time for the activity!
Supplies

Preparation
I prefer to have my paint in squeeze bottles because it makes it easier to squirt on to the paper.
Other than that, there really isn’t any preparation needed.

Set Up
I like to use trays at the art table, one at each spot.
Then I place a clean sheet of paper on top of each tray.
Place a paintbrush at each spot.
I propped the book open as a visual, too.

The Activity
Squirt the three colors in a row on the paper and ask the children what they think will happen when the colors are mixed.
Will there be new colors like in the book?

I love when they discover the new colors!

Some will have fun mixing and mixing.

Some will be a bit more deliberate.

When finished, encourage the children to notice all the colors on their papers.
More Ways to Do This Activity
- Use rollers instead of paintbrushes.
- Try finger paint instead of tempera paint and mix with the hands.
- Paint on a mirror or plexiglass and press white paper on top to make a print.

More Color Activities

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