Any recommendations for child-friendly activities to do or places to go in Singapore over weekend, other than going to shopping malls?

I just came across this article: http://thesmartlocal.com/read/the-animal-resort Sounds like an interesting (and free!) place to bring your children to. A peek into what it may feels like to be in a kampong. :) The Animal Resort http://theanimalresort.com/home/ Opening Hours: 10am-6pm daily (except CNY Eve & CNY)