I love the light bulb moment of seeing the patient's face light up when they begin to have a working knowledge of their diagnosis. (hab-it.com)
Watch your babies face light up with happiness as they are tasting something super delicious and sweet but also cooling and calming down their pain! (mamabearmorabito.com)
Watch your toddler or preschooler face light up when presented with this cool, unique bike! (geekwrapped.com)