My boy loves vacuuming the floor. Every morning he will ask me for 'bu bu', his meaning of vacuuming cleaner. Most of the time I will take out the vacuum cleaner and 'demonstrate' to him the cleaning process. It is a good excuse for me to vacuum the floor anyway.
After I finished all the spots, I will hand him the vacuum and he will have fun with it for about 10 minutes. He even do his own sound effect - "ooo ooo" pretending the vacuum is on. Most of all, he likes to turn over the vacuum cleaner and play with the wheels.