Can a juvenile give consent to search his phone?

The following is a computer-generated transcription, some grammar and spelling errors may be inherent

Hey guys, it's Anthony Bandiero here with blue to gold law enforcement training, giving you another roadside chat. Alright, so this question comes from an officer in Kansas, and the officer asked this. So the situation was several officers stopped out with young kids that were suspected of throwing rocks from an overpass onto a car. And the officers noticed that they had cell phones, and they asked for consent to search the cell phone for evidence of them, you know, throwing rocks and so forth, they reasonably believe that if they were up to no good, they would be recording it. So a,

the kids were 1112 13, and 12. So four kids total, and a couple of my believe, offered their cell phones to be viewed and the videos looked at an ...