There are many! Here are some places to consider https://sg.theasianparent.com/best-5-playgrounds
Polliwogs at suntec. Pretty new and not crowded if you come by early on weekends :)
Tayo Station at Downtown East, Pororo Park at Marina Square
The Petite park at Kallang Wave Mall is quite cozy for los
tayo station, gardens by the bay, jurong lakeside
Hey, I personally find Kidzania best for my LO
Kidzania, Kidztopia. Depend on which areas.
Pororo or east coast playground(:
Which area do you roughly live at?
Singapore zoo, kidzania
Jo Ann Dela Cruz