4. Bubble Bottle
A bottle of bubbles does exactly what you would expect it to do. Your sims, young and old, can play with them and, well, blow bubbles. You can buy a bottle of bubbles in buy mode, but you might also see them for sale at a flea market in San Myshuno with the City Living expansion pack.
The bubble bottle is such a minor thing in the game that it is easy to forget about. It’s kind of strange that an entire new animation was created for this even though it really doesn’t have to do with City Living at all. Oh well, it’s a cute little thing to have in the game regardless.