That's the Lakeland thing that Michelle used to go on about, isn't it?
(Sorry haven't had a catalogue since Michelle died but I was always intrigued by this).
On some US websites, you find that people use their slow cookers for everything from baking potatoes to cooking whole chickens. And when I've been overseas I've seen ads for miracle products like the remoska which can cook a meal and bake a cake at the same time.