A letter telling your parents of all the things you are grateful for. Make breakfast for them, or in the evening, cook a nice meal and set up a table outside with candles. Get them two movie tickets or tickets to a concert or play that they would like to watch.
When it comes to selecting a gift, it isn't a cinch. Keep your eyes peeled and your ears perked for any hints that could help pick out a gift. If you're still clueless, then these anniversary gift ideas for a boyfriend can help.