* A balloon, * A bottle of soft drink, * Juice of a lemon/vinegar, * 1 teaspoon of baking soda, * Drinking Straw, * Little water,
Stretch the balloon well so that air can be blown easily into it. Then pour water into the soft drink, add baking soda and mix well with the drinking straw until the baking soda is well dissolved. Now pour the lemon juice/vinegar into the bottle and immediately close the bottle’s neck with the stretched balloon. Just see your homemade gas blower work.
The combination of an acid and base gives out carbon-di-oxide. Consuming too many mint candies is not advisable because they release carbon-di-oxide and that can be harmful.
Lime is acidic in nature and combines with baking soda to give out carbon-di-oxide that makes an attempt to escape and filled the balloon.