Clarkson Sergeant Darren Lumb said the burglary occurred overnight on April 24 and 25, when someone stole the bicycle pictured.
Sgt Lumb said a Peter Moyes Anglican Community School bag containing a laptop and class pad, plus car keys for a Mercedes and Toyota were also taken.
The thieves also took spirits, dive gear and an Oakley backpack.
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READ NOWAnyone with information can call Clarkson Police on 9407 1000.