Young enough to be endlessly enthralled by the perpetual motion of a Playskool Busy Ball Popper, too young to realize it's all downhill from here.
According to this euphoric infant's mother, this video was once a finalist on America's Funniest Home Videos, but lost out to a boy who knew the names of all the presidents.
"[Y]ea we did get ripped off at afv! that other kid memorized his lines for his video," she groused on YouTube. "[I]t was soooooo set up by the kids parents, the mom even told me so , but oh well."
Yet another one of life's great injustices: Old enough to know that you've been robbed of $10,000, too old to alleviate the sting by staring at a bunch of colorful objects going around in a circle.