A miniature, wind-up outboard boat motor that rests on the edge of a coffee mug / tea cup and stirs in cream and sugar with its propellers.
These cool new Wind-Up Salt And Pepper Robots are more than capable of walking themselves across the table instead of being passed by hand.
It may look like your oven or fridge has transformed into a massive combination lock safe, but it's actually just a clever magnetic mechanical kitchen timer.