Snacks for teenage party would include chips and dips, fruit platter, vegetable platter, cupcakes, cheese, wraps cut into bite size pieces, wings, bruschetta, pita and hummus, French fries, onion rings
The most popular party snacks are finger foods, such as chips, dip, crackers, and cheese. You could also cut some fruit up and put it on a serving platter to make things a bit healthier.
How about different flavours of crisps. You could also provide 'doritos' or similar and mini crackers. If they are health conscious maybe dips and vegetable sticks.