The Kuala Lumpur City Center is the perfect place for kids and adults alike. Situated at the foot of the world's tallest twin towers, the enormous complex houses plenty of kid-friendly attractions such as the KLCC Park that houses water fountains and a public swimming pool for kids, Petrosains; an interactive science discovery centre, and Aquaria KLCC; an oceanarium housing thousands of marine life.
Have your local guide take you here and provide all the insight you need. What's even better is that all these attractions are within walking distance of each other, making the visit easier with kids. A must put in your list of what to do in Kuala Lumpur with kids.