Edvin improvises a boat
Here's a description of the contestant's attempt. Someone's probably working on collecting some images to illustrate it.
Edvin goes to the shed and gets the bathtub. He puts the key into the bathtub and, with David’s help, moves it down to the dock. He then drops the bathtub into the water, and pushes it away from the shoreline.
(Written by Jenny R and proofread by Karl Craven)