More sand products have been added to the list of recalled items due to asbestos contamination fears.

Four more products sold at Kmart and Target have now been recalled by the Australian Competition and Consumer Commission ( ACCC ).

These include the Active Sandtub 14 piece Sand Castle Building Set , Blue Magic Sand, Green Magic Sand and Pink Magic sand.

Asbestos has been detected in some samples of the products after laboratory testing, the ACCC said.

Respirable asbestos has not been detected in any of the tested samples.

“The risk that any asbestos found is likely to be airborne or fine enough for inhalation is low,” the consumer watchdog said.

More than 20 schools and preschools were shut or partially shut in the ACT on Friday and one Brisbane school closed for the day

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