One of my favorite things: a collapsible trivet|
It looks like this could be replicated? But there are some pretty ones available if you search online for "folding trivet," which I'm sure you know. I must admit, this looks pretty neat, and I'm glad to hear an endorsement--- this is the sort of thing that could go either way, gadget-wise.
I do like the FlyLady Rubba Sweepa--- the name is so twee, but the broom is really good--- works hard, on both flooring and carpet, and if you flip it, it has a squeegee that you didn't know you needed. I also dearly miss the suggestively-named "Whipmaster," a hand-cranked, enclosed mixing tool that really took my shameful instant pudding addiction up a notch.