1. Marina barrage - entry to the gallery is free and people go to the rooftop to fly kites
2. Marina Bay Sands has a laser light show in the evenings, it's free
3. The Esplanade has free performances sometimes, depending on the festival
4. Libraries
5. Singapore Art Museum - the Imaginarium exhibit is free for locals and PR
6. Chinatown - there is lion dance (at temple street?) every Saturday evening around 6pm..
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