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Close-up of edible aquarium terrarium dessert with blue gelatin, cookie sand, and gummy sea creatures in a mason jar

Edible Aquarium Terrariums

Fun, colorful, and perfect for kids—these Edible Aquarium Terrariums are made with blue gelatin, cookie sand, and gummy sea creatures. A magical, hands-on dessert for any celebration!
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Prep Time 20 minutes
Cook Time 0 minutes
Decorating Time 30 minutes
Total Time 4 hours
Course Dessert, Kids Activity, Snack
Cuisine American
Servings 6 jars

Equipment

  • Mixing Bowl
  • Measuring Cup
  • Zip-top Bag
  • Rolling Pin
  • Spoon
  • Clear Jars or Cups

Ingredients
  

Gelatin Base

  • 2 boxes (3 oz each) Blue Gelatin Mix such as Berry Blue Jell-O
  • 2 cups Boiling Water
  • 2 cups Cold Water

Decorative Layers

  • 10 Vanilla Cookies or Graham Crackers crushed for sand
  • 1 cup Gummy Sea Creatures fish, sharks, turtles, or octopuses
  • 0.5 cup Whipped Cream optional, for waves
  • 0.25 cup Mint Leaves optional, for seaweed
  • 4 strips Sour Belts optional, for coral strips
  • 0.25 cup Candy Rocks or Chocolate Pebbles optional
Keyword aquarium terrariums, edible, fun dessert, jello dessert, party treat, underwater snack