How do we develop empathy in kids?

I think role playing and pretend play will help. It will encourage child to imagine how it would be like to be in the shoes of others. You can come up with different scenarios, such as pretending to go to a hawker centre, get your child to role play as a stall vendor while you be an elderly person patronizing the stall. You can take on different personalities and see how your child would react. Switch over your roles to allow your child to consider how to "act" in the new role. Will also be helpful to have a discussion after the session to explain any queries your child may have. Empathy is really something that is difficult to teach. But I believe children have the ability to "learn" how to be empathetic as they are more likely to look at the way through untainted lenses. Some just require some nudging to consider things from the other person's point of view to help develop the sense of empathy.