Tubby Custard Fizz is a beverage the Teletubbies drink.
Process of Making it
First one of the teletubbies pours tubby custard into the Tubby Blender and before it is blended they put a powder called bubblup which makes you breathe out Tubby Custard Bubbles, Then they put it into the Tubby Blender. After it is blended they drink it out of the Tubby Custard Glass (The tubby custard glass is basically a taller tubby custard bowl in the shape of a Coca Cola Bell drinking glass).