How can Sparklers Burn Without Air? (Easy home experiment)

In this video, we will explore how sparklers are able to continue burning despite the complete lack of air. We will use vinegar and baking soda to create an atmosphere of carbon dioxide.

Carbon dioxide is commonly used as a fire extinguishing compound, which quickly extinguishes almost all burning material. So, how it is possible that a sparkler will continue to burn? ... https://www.youtube.com/watch?v=X7XF7mE4_yU