Make the cake according to the directions on the box
Remove from the oven and let completely cool
Poke holes in the cake
Prepare the jello as per the directions on the box
Do not let the jello cool and solidify
Pour the jello mix over the cake and into the holes
Put the cake into the refrigerator for 1-2 hours
Cover the top of the cake with the Cool Whip
Add the blue sprinkles and then the Pop Rocks
Note: Do not add the Pop Rocks until you are ready to serve the cake
Serve and enjoy!