Detectives are investigating after offenders made off with the vicitms' scooters.
Police are calling on the public to help with their investigation into an armed robbery in Perth's east.
Around 3pm on Saturday two 11-year-old boys were near the Bayswater Skate Park when they were approached by a group of three male teenagers.
One of the offenders was armed with a knife when the trio threatened the boys and stole their scooters.
The stolen scooters are a silver NV scooter with a Grim Reaper sticker on the bars and the other is a black Grit scooter with a CV sticker on the bars.
One of the offenders is described as around 13-years-old with dark skin, approximately 120cms tall, with a slim build and a mullet haircut.
A second offender is described as around the same age with fair skin.
Detectives would like to speak to anyone who saw the incident or has dash cam footage of the Skate Park area that backs onto the Tonkin Highway northbound, between Collier Road and Morley Drive in Embleton.
Anyone with any information relating to this incident is urged to call Crime Stoppers on 1800 333 000 or report online at www.crimestopperswa.com.au
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