Here's the ultimate list of 52 fun activities for milestone birthdays 13th, 18th, 21st, 30th. Birthdays, surprise parties, family reunions and other special events—they all get better when you bowl. Another year, another birthday celebration.what will you do this time? Birthdays, surprise parties, family reunions and other special events—they all get better when you throw an amazing party! Here's the ultimate list of easy birthday gift for.