A new chewing gum factory where you can create your own flavour of gum has opened for a short while in London.
Believe it or not, we get through more than 3.5billion sticks of chewing gum a year, so it looks like the idea could be a big hit.
Leah went along to find out just how you go about creating a new chewing gum flavour.
She even had a go herself, making her own unique flavour. Shrimp gum, anyone?!