〜たり〜たりする

This is used to mention exemplars, implying that other things are left unsaid.

(activity A) たり (activity B) たりする

do such things as A and B

To get the たり form of a predicate, you just add り to the past tense short form of a predicate. For example, する　becomes したり, and たべる becomes たべたり.

おおさかでかいものをしたり、かんこくりょうりをたべたりします。

In Osaka, I will do such things as shopping and eating Korean dishes.

おどったり、おんがくをきいたりするのがすきです。

I like dancing, listening to music, and so forth.