With their very efficient public transport system, Singapore is probably one of the easiest cities in the world to get around even for the travelers who did not paid much attention to their Geography Class, in other words, those who has difficulty reading a map like myself.
Their transport system also make public transportation cheap, perfect option for budget conscious traveler to this quite expensive city.
During my trip to Singapore, being a first time traveler on a budget, I purchased Singapore Tourist Pass Plus+. With this card, i do not have to worry about getting lost in the city  and having insufficient funds for my transport needs. I have unlimited travel on Singapore’s basic bus services, MRT & LRT Train for 3 days. The card also comes in 1-day and 2-day pass.
The pass may be purchased in various transit link ticket office, I get mine at Changi Airport Terminal 2. I paid $ 30.00 SGD for a 3-day Pass. 1-day and 2-day Pass costs $20.00 SGD and $26.00 SGD respectively.
Since I purchased a plus+ card, it comes with a one-day FUNVEE Open Top Bus Tour and one-day Bubble Jet Ride for FREE. For more information about the card and Funvee and Bubble Jet Adventure, you may visit  their website www.thesingaporetouristpass.com.sg