Bomb Bag

2 bags 1 filled with vinegar 1 with baking soda one pops they fuse together then the pressure makes it explode

fill a small zip lock bag half full of vinegar

take 1/4 of a cup of baking soda or more for biger explosion then dump it into a larger bag then the first one

take the smaller bag and place it in the larger bag then take your hotglue gun and glue the top part of the big bad make sure there are no holes in the bag and the bag is completly seeled