And a box.
With out much further instruction say "Let's draw on our house."
Then, go inside to get your camera (I'm talking 4.2 seconds)...
You'll find marker all over the outside of your actual house (remember to take evidential picture).
On one toddler you'll find a moustache.
On another, you'll find make-up.
On both you'll find smiles on a day that started out completely terrible. So terrible your three year old did this to his beloved books during a "break" (new word for time out).