You can take a look at this article and use the tables to help you plan your finances (the figures in the tables for cost of the universities are outdated so you will need to put in the updated figures when calculating):
http://www.moneysense.gov.sg/Financial-Planning/Guides-and-Articles/It-Pays-To-Plan-Ahead-For-Your-Children-Education.aspx
The article also provides a brief description of different financial products you can consider.
Hope this helps! :)