Amber and Sam waste rather a lot of milk experimenting with milkshakes. They know they are using the right ingredients, but when they try to make more than one milkshake, everything goes wrong. The pozzle needs a new home about a quarter of the size of the spoat enclosure. Sam and Amber know they need to adjust the quantities of the bubblemud ingredients but don't know how. They call Numberella. She explains why they had a problem with the milkshakes and goes through the recipe to show them how to make a larger or a smaller quantity.