Animal Bath Bombs

  1. Grades K-2
  2. Grades 3-5


Dip your toes into bubbly bathtime chemistry! Use a press mold with two cute critter design disks to create unique bath bombs in a rainbow of colors. Then drop ‘em into water to see fizzy chemical reactions in action. (Included ingredients make 3–6 bath bombs. Make more with materials from home or the Bath Bomb Refill Set.)

Why it’s awesome

  1. Creative colors

    Mix up custom shades and create multi-color bath bombs.

  2. Fizzy, fun reactions

    Explore bathtime chemistry with citric acid and baking soda.

What’s included?

  • baking soda 4 oz (115 g)

  • citric acid 2 oz (58 g)

  • cornstarch 2 oz (58 g)

  • Epsom salt 2 oz (58 g)

  • oil 0.47 fl oz (14 ml)

  • 3 food colors

  • each 0.17 fl oz (5 ml)

  • spray bottle

  • 3 paper bowls

  • 2 design disks

  • mess mat

  • press

  • gloves

  • illustrated instruction booklet

Topics explored

  1. Chemical reactions

  2. Acids and bases

  3. Color-mixing

From the desk of the product designer:

Behind the design

Bath bombs provide so much bubbly, fizzy fun. Plus, adorable animal shapes paired with chemical reactions? We knew had a winner.

- KiwiCo Product Designer

By the numbers


Potential animals brainstormed


Bath bombs created in testing


Soothing bubble baths for "testing"

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