Schools are warning families about the latest online fad with kids that is leaving them with “serious burns,” and an increasing number of injuries. Parents, you need to know about the “eraser challenge.” “Although there is nothing new about erasers in school or kids challenging each other to do stupid things, many parents aren’t aware of the ‘eraser challenge’ and why it can be harmful to their children,” Lauren Levy noted in PopSugar.com. “This dare is continuing to bubble up on social media and capture the attention of young kids as they show off their wounds.”

How does it work? Like most dangerous kids’ challenges, it starts out as a silly idea.

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“Kids are rubbing an eraser across their skin while having to do or say something. It’s causing serious burns,” read a statement on Facebook from East Iredell Middle School in Statesville, North Carolina. “These ‘challenges’ have gotten out of hand.”