Clementi playground guide: NorthArc bee hive, whale and KTM train playgrounds, the purple octopus at West Coast ParkView and Clementi Woods Park. Free, 24h.

Choa Chu Kang playgrounds guide: Keat Hong mega treehouse, army tank, Teck Whye steam train, Yew Tee hillside slide and two free water play areas, ages 2 to 12.

Changi Beach Park playgrounds: two free seaside play areas, one revamped by Changi Village and a sandy beach-house one at CP4 under the flight path.

Canberra Park playground in Sembawang has seven kinds of swing, a dinosaur fossil climber, a long rope course and wheelchair ramps. Free and open 24 hours.