Jell-O Building Blocks

Can you really make edible building blocks? Yes! They're pretty, fun, and require no specialized skills (unless you count heating and pouring). They're a great rainy day activity, and they make really fun party favors. The biggest challenge is keeping them uneaten long enough to play with them!

Step-by-step tutorial

  • Step 1

    You'll want everything handy before you start. For blocks, you can use cube-shaped candy molds or just an ice cube tray. (Keep in mind that the molds we used make 2- and 4- oz. cubes, while standard ice cube trays make 1-oz. cubes.) You'll need at least one 3-oz. package of Jello and 2 small unflavored gelatin packets per color. (For 6-oz. packages of Jello, you'll need to use 4 gelatin packets.) If you're using a silicone tray, you may want to set it on a baking sheet so it's easy to move once it's full of hot gelatin.

    Photo reference of how to complete step 1

  • Step 2

    Add 1/3 cup water to the nonstick skillet. Sprinkle 2 packets of unflavored gelatin and 1 box of Jello over the water. Stir to combine. This is a fun step for kids, because they're always surprised by the color change when the water is added!

    Photo reference of how to complete step 2

  • Step 3

    Grown-up step: Heat the gelatin mixture over low heat until the gelatin is dissolved, about 3-4 minutes.

    Photo reference of how to complete step 3

  • Step 4

    Grown-up step: Pour the gelatin mixture into your mold or ice cube tray.

    Photo reference of how to complete step 4

  • Step 5

    Repeat, if desired, until you have as many colors as you like! We made six colors: red, orange, yellow, green, blue, and peach.

    Photo reference of how to complete step 5

  • Step 6

    Carefully place your mold in the refrigerator. Refrigerate until completely cold and set, about an hour.

    Photo reference of how to complete step 6

  • Step 7

    Grown-up step: To unmold, very carefully pry the blocks out with a toothpick or butter knife. (Don't worry -- they're much sturdier than they look.)

    Photo reference of how to complete step 7

  • Step 8

    If desired, dust the bottoms lightly with cornstarch or powdered sugar so they don't stick together when you stack them.

    Photo reference of how to complete step 8

  • Step 9

    Now you have edible building blocks! You can build a tower or a small house.

    Photo reference of how to complete step 9

  • Done!

    And when you're ready to clean up...just eat them!

    Photo reference of how to complete step 10

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