From the Kitchen

Making a Rainbow Connection

We’re making more rainbows today. This is a great activity to do with the kids, helping them to see that when colors are mixed, they make something new.

Rainbow Milk for St. Patrick's Day

Supplies for Milky Rainbows:

  • Milk or water – If you don’t feel comfortable drinking milk with food coloring, you can use milk that’s past it’s date OR you can use water for this too. I just like how the milk makes the colors show up so bright.
  • food coloring – red, yellow, blue
  • clear drinking glasses
  • stir stick


We lined up our glasses in a row, making it easy to see all the colors in the order of a rainbow. Then we poured our milk into each glass, about half way full. I then started by putting one drop of food coloring into the cups.

We did the red first (which made pink, but I only wanted to use one drop of color, you could use more). Then we skipped one glass and did the yellow next. We went back to the one in the middle and dropped in one red and one yellow drop of food coloring. Using our stir stick, we mixed them together. We now had Orange! Then we continued on down the line. Yellow and blue for green, blue and red for purple.



Once we saw our rainbow, the kids wanted to see what would happen if we mixed all the colors together and Brown milk appeared. Have making your Rainbow Connection!

Mixing Colors to Brown


  1. Did you know you can dissolve M&Ms to color the milk too? I think we’ll have green milk atop our Irish oatmeal on Wednesday. =)

  2. Looks like fun! I caught my daughter coloring her water green the other day, so I’m sure she would love doing the whole rainbow! Thanks for sharing- love your blog!

    Creative and Curious Kids!

  3. What a great idea!! I will definitely try that out at home with my kids!! What a great way to teach them their colors and how they mix together to make new ones!!

    I love ideas that are fun, simple and educational!! That’s what I always try to do with my kids and the types of crafts I try to share on my blog! I love all your ideas and will definitely be checking back often!!


  4. I do this in the summer when the white peonies are in full bloom. I add food coloring to water, then stick the flower in there, a few minutes later you have colored streaks going thru the peonies. Very pretty. I then tie a vase with ribbons in all the colors I used. Very pretty on the patio table.

  5. Azucar – St. Patty’s is coming up. We’re all about ‘Green Milk’!!

    Shanna – Love the idea to add the Hershey’s Chocolate Syrup! Especially as Jessica added that the kids may think it already is!!

  6. My two year old and I did this today after seeing it on your blog. She LOVED it. She’s really into stirring anything right now, and loved seeing how the red/blue made purple and yellow/red made orange. In the end we mixed them all together for brown milk and then added some Hershey’s Syrup. It was a huge hit! Thanks for such a wonderful idea.

  7. Great idea! My girls will love drinking all those different colors. I just have to make sure the stomach bug has completely passed first.

  8. I bet your children were surprised when the brown milk did not taste like chocolate…Looks like fun…we might have to try that since the kindergartener is home sick today.

  9. Marie, I love this! There is nothing more fun (to my kids) than playing with food coloring. We colored table sugar for cookie decorating this Christmas, and mixing up the food coloring in the white sugar was the high point of the whole process.

  10. Colored milk FREAKS me out, so we’ll be having none of that.

    Bad, bad memories of green milk on St. Patrick’s Day.


  11. This looks like fun!! For those short on milk, instead of putting milk in the “in-between” glasses (orange, green, purple), you could, for example, just pour some of the red milk into one glass and the same amount the yellow milk into the same glass to make the orange. Then they can see directly how mixing the red and yellow become orange.

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