my little one likes apple slices that he can dip in peanut butter.
another my older son likes is a mix of rice chex cereal, cheerios, and just a handfull of mini marshmellows in a bag. He grabs those all the time.
the new snack wells bars are high in protein (8g) or the special K granola bars have 4g protein
melon cut up - any fruit already cut up into pieces.
could the teenager make a smoothie? Yoplait has the quick frozen packets that have the yogurt and fruit already in them, just add a little applejuice and blend