Mop Star - a mop with a built-in microphone to allow cleaners to burst into song when the mood takes them.
This year's British Invention Show sees inventions ranging from a Solar Plant Pot that scurries around your patio in search of the sun to the 'bra ball', a washing-machine proof ball that ensures your underwear survives the wash.
The exhibition, at London's Spittalfields, is billed as Britain's biggest show for technology, innovation and invention.
It's fair to say, though, that not every invention unveiled at the annual show is destined for the big time.
Some are definitely more 'concept' than others - including several by museums and artists, which are clearly intended to amuse rather than make millions.
But others are absolutely serious about their inventions.
This fluorescent dog food does not do away with the problem of lack of civic-mindedness, but at least it makes dog mess visible at night.
Plant'o matic is a prototype of a plant 'for the future'. Plants will have incorporated solar panel and which will make themselves run around the garden looking for the sunlight.