Twenty-four-month-old tyler is placed in front of a mirror with a spot of rouge on his nose. tyler will most likely:

Tyler will most likely touch his own nose to wipe off the spot.
At this stage, a two-year-old can recognize himself in the mirror and will know it is him regardless of the fact whether or not there is a spot on his nose. A younger child is likely to crawl away from the mirror because it won't recognize its reflection.

It would be 23 beats per second