Planet Bath Bombs
Learn about chemistry and design out-of-this-world bath bombs! Mix together citric acid, baking soda, cornstarch, and food coloring to make your bath bomb base before pressing into molds. Smush and sprinkle the colors on top of each other to create planetary layers before dropping them in the bath and watching them fizz!
Why it’s awesome
Just add water
Everything you need to make four multicolored bath bombs.
Create bath bombs inspired by real-life and make-believe planets.
Experiment with scents, colors, and more to make custom bath bombs.
From the desk of the product designer:
Behind the design
“We wanted to make the bath bomb experience more educational. Now kids can learn about the anatomy of a planet while making their bath bombs, from core to crust!”
- KiwiCo Product Designer
By the numbers
Planets created during testing
Planets cut open