Step 1

Whisk together the strawberry jello, one packet of unflavored gelatin and 2 cups of boiling water. Continue stirring until all the gelatin has been dissolved in the water.

Step 2

Pour 1/3 cup of Jello mixture into each jar.

Step 3

Place the jars in the fridge to chill for about 40 minutes, until the mixture has begun to set and is no longer liquid.

Step 4

While the red jello sets, prepare the white layer by whisking together two packets of unflavored gelatin with one cup boiling water and the sweetened condensed milk. Continue stirring until all the gelatin has been dissolved. Allow the mixture to sit at room temperature to cool until the red Jello is set.

Step 5

When the red jello is set, carefully pour 1/3 cup of the white gelatin mixture into each jar.

Step 6

Return the jars to the fridge to chill until set. Begin checking them after about 20 minutes, but keep them in until they have completely set.

Step 7

While the white gelatin is setting, prepare the blue layer by whisking together the berry blue jello, one packet of unflavored gelatin, and 2 cups of boiling water. Continue stirring until all the gelatin has been dissolved in the water. Allow the mixture to sit at room temperature to cool until the white gelatin has set.

Step 8

When the white gelatin is set, carefully pour 1/3 cup of blue jello over the top of the white layer.

Step 9

Return the jars to the fridge to chill for an additional 3 hours

Step 10

Optional but delicious: top with whipped cream and sprinkles before serving