Creepy Jell-O petri dishes

Claire Gallam

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Who said you couldn't eat your science experiments? These creepy, crawly petri dishes are made from Jell-O and your favorite gummy candies and sprinkles. This is one batch of bacteria you'll want to eat!

Jello petri dishes

This isn't just a fun edible activity for a rainy day; it's a great in-school science project too! Simply use different flavors of Jell-O to create new and tasty varieties of amoeba and bacteria!

Jell-O petri dishes

Yields about 4 dishes


  • 3 packs multicolored Jell-O
  • 3 cups boiling water
  • 3 cups cold water
  • Gummy candies


  1. Bring the water to a boil in a large pot. Separate the different colors into 3 bowls. Pour the hot water over each color and let sit for about 2 minutes. Add cold water (1 cup to each flavor) and stir with a whisk to combine.
  2. Pour the colored Jell-O mixes into shallow petri dishes. Add mini gummy worms and bears to each and place in the fridge to cool for at least an hour or until set.

More fun food ideas

Fun with deviled eggs
Super snack: Veggie people
Cream-filled mustache cake

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Claire Gallam
Claire is an aspiring nutritionist (and soon to be culinary student) with a serious addiction to bacon, wine, goat cheese and online shopping. She is recently married to a social media guru who loves *almost* everything she conjures up. In addition to writing for the Food section of SheKnows, she is a full-time recipe creator (and taste tester), a writer for and a contributing writer for the Home and Gardening section of SheKnows. You can also follow her daily musings and find delicious healthy recipes on her food blog, The Realistic Nutritionist.