Snowman Bath Bomb STEM Activity

Snowman Bath Bomb STEM Activity

One of our favorite ways to increase student engagement during the craziness of the holidays is with STEM. To make it easy for teachers to implement STEM during this busy time in the classroom, we have compiled a list of 12 Days of Christmas STEM activities.

Our Day 8 activity is a snowman bath bomb STEM activity. Follow these step-by-step instructions to engage your students in this fun, hands-on STEM challenge!


Material List (for each group of 3-4 students):

  • 1 cup baking soda

  • 1 cup epsom salt

  • lemon juice

  • water

  • spray bottle

  • molds or plastic cups

  • plastic wrap (optional)

  • mixing bowl and measuring cups

  • spoon or whisk

  • plastic table cloth to cover work area (optional)

  • black and orange paint

  • paintbrushes

  • small plastic gift wrap bags or plastic baggies

  • hole punch

  • scissors

  • ribbon

  • gift tags (Hope Your Holiday is the Bomb and You’re the Bomb gift tags can be found in our snowman bath bomb resource)

*Recipe makes enough for approximately 1 bath bomb per student. If you want students to make a snowman head and body double the recipe.

Divide students into groups of 3-4.

To make the bath bombs, combine 1 cup epsom salt and 1 cup baking soda together in a mixing bowl. Then lightly spray the mixture with a solution of 1 part water and 1 part lemon juice until it has a texture of wet sand. Place the mixture in a mold and let it set over night. A mold can be an actual bath bomb mold, a cupcake pan, or the bottom of a plastic cup.

Let the bath bombs set overnight to harden. After the bath bombs have set, carefully remove them from the molds. Place them in clear plastic gift baggies or regular plastic baggies. You can also add ribbon and a cute tag. You can find the "Hope Your Holiday is the Bomb” and “You’re the Bomb" tags in our Snowman Bath Bomb STEM resource.

This activity is fun for students to complete during the Christmas season, and it makes a great holiday gift! For more information, in depth teacher instructions, student handouts, a STEM journal, and student planning and reflection pages, view the full resource HERE.

Be sure to check out the rest of our 12 Days of Christmas STEM activities!

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