Fun with Peeps

Peeps are one of the most popular sweets found in many Easter basket. But their popularity goes beyond digesting a sugary snack. Sugar + moisture + pockets of air = cool experiments and I have gathered some fun ideas to get you started. 


Explore how the volume of gas expands a marshmallow as it heats up by putting a Peep in the microwave. Here's more information about the science behind this.

Experiment different chemical reactions with simple household materials. Here are some ideas: put a peep in a plastic bag or bowl and add:

  • vinegar and baking soda
  • hydrogen peroxide and vinegar
  • water and borax 
  • yeast and water 

Try closing the plastic bag and see what happens. Try this Dissolving Peeps Experiment. There are a ton of combinations you can experiment and learn from. 

Make Peep Slime with some simple ingredients.

Peep Density Tower Experiment, this fun science activity is sure to get any kid to part with those marshmallowy sweets.

A Peep Catapult is a great engineering experiment can make a perfect STEM project.


Mix colors with water and paint a Peep. 

Try this experiment with milk and dish soap.

Make a diorama with Peeps. Need Inspiration? Head over to the Civic Center Library for their annual Peeps Diorama Contest!

Direct your own Peep Show movie starring Peeps.


There is an endless amount of possibilities for math activities with Peeps. Peeps can be used to count, sort, add to more complicated fractions. Here are some fun elementary level math ideas.

For older kids try this: How many Peeps are sold at Easter?

Who knew Peeps could be so much fun! Do you have any ideas to share?