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Rainbow Sponge Painting

If you are looking for a fun process art activity, try Rainbow Sponge Painting! Sponge painting is fun and easy for kids of all ages. Even toddlers can join in on this activity!

RELATED: Scrape Paint Rainbow

Painting a Rainbow with a Sponge

This art activity only requires a few materials that you might already have on hand. You only need paint, white cardstock and a sponge. You can choose to make one large rainbow or lots of smaller rainbows.

These sponge painted rainbows would be easy to turn into handmade cards or even to put in a frame to display around the house.

sponge rainbow crafts

Supplies Needed

  • Acrylic paint, Tempera or Washable paint
  • White Cardstock (we used this 12×12 size for a larger sheet)
  • Sponge – any kind of sponge works but if you get a sponge without a hard scrubber on one side you can use both sides for painting.
rainbow sponge crafts for kids

Watch the Video Tutorial!

How To Paint a Rainbow with a Sponge

1. Gather all of the paint colors you need to make a rainbow. We used acrylic paint.

Paint Colors for Sponge Painting

2. First, put dots of paint in rainbow order at the end of a sponge.

Add Paint to Sponge

Continue until all of the paint colors are added.

Add Purple Paint to Sponge

3. Next, carefully bring the sponge to your paper with the paint side up.

Get Large Paper for Painting

Start at the bottom of the page and press the sponge, paint side down onto the paper.

Drag the sponge in a rainbow shape.

Rainbow Sponge Painting for Kids

4. To make smaller rainbows, simply cut a sponge in half and follow the same process.

Cut Sponge in Half
Make small rainbow sponge art

You can make lots of little rainbows or one big rainbow!

sponge rainbow craft for kids

Kids of all ages will love this easy art activity! You can even experiment with different color schemes to make unique sponge painted designs.

More Rainbow Activities

Shamrock Scrape Painting
St Patrick’s Day

Shamrock Scrape Painting


Grow a Rainbow Experiment

Surprise Rainbow Activity

Surprise Rainbow Activities

Rainbow Rice

Rainbow Rice

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