There’s just something about the colors of the rainbow that make projects seem a little happier, don’t you think?! These 25 rainbow activities for kids are sure to bring smiles as children play along with fun and colorful math, science and literacy projects.

For more STEM-related activities, check out our Epic STEM Bundle in our shop!

Rainbow Activities – Science

Rainbow Science Projects for Kids

Use just a few simple ingredients to build a walking water rainbow. // The STEM Laboratory

Have you made a rainbow jar yet?! It’s a definite must for kids AND grown ups.

Make a crystal rainbow. // Little Bins for Little Hands

Pull out your stash of candy and make a Skittles rainbow.

Melt a rainbow ice tower! // Fun at Home with Kids

Whip up some magic rainbow milk.

Grab just three ingredients and make your own rainbow paper. // Science Kiddo

In the mood for an engineering project?! Build rainbow marshmallow toothpick structures. // The Imagination Tree

Rainbow Activities – Literacy

Rainbow Literacy Activities

Make words magically appear with a set of rainbow colored markers.

Find the matching alphabet sound! 

Work on matching upper and lowercase alphabet letters with a sticker match up. // Mom Inspired Life

Practice reading and writing sight words by creating a sight word rainbow!

Build a magnetic rainbow name box. // Mama.Papa.Bubba.

Spell sight words (or names or word families) with rainbow beads threaded through pipe cleaners. // Preschool Inspirations

Make a letter R craft. // The Measured Mom

Go on a rainbow name hunt! // Toddler Approved

Rainbow Activities – Math

Rainbow math activities for kids

Roll a rainbow! // The STEM Laboratory

Print hundred charts on bright, rainbow colored paper and make DIY math puzzles.

Learn about addition facts by painting number bond rainbows. // Math Geek Mama

Roll a rainbow snack as you practice the numbers 1 to 10.

Grab a bag of colored popsicle sticks, print some free activity cards, and solve missing patterns.

Practice color and shape recognition as kids piece together rainbow puzzles. // Itsy Bitsy Fun

Match up number puzzles! // From ABCs to ACTs

Race to fill a rainbow with a fun dice game. // Housing a Forest

Play with some free printable counting bear cards. // Life Over C’s

For more STEM fun, check out our Epic STEM Bundle in our shop!

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