Solveig makes foam in a leaky box
Here's a description of the contestant's attempt. Someone's probably working on collecting some images to illustrate it.
Solveig attempts to fill a garden furniture cushion box with water and soap, before discovering that such containers are not built to be watertight. Despite this, she perseveres with her ineffective method, losing most of her foam through the bottom of the box. She earns last place.
(Written by Will G and proofread by Karl Craven)