A 9-year-old girl came to school with what looked like typical gummy candies, but were actually edibles laced with THC, one of the psychoactive chemicals found in cannabis, according to Ebubekir Orsun, the principal at the Albuquerque School of Excellence.

Time magazine reported that officials at the school only learned of the mix-up, which happened earlier this month, after the student went to the school nurse feeling sick and complaining of dizziness.

Kristi Del Curto, the school’s dean of elementary students, told the AlbuquerqueJournal reports that officials took the labeled package out of the trash, “and as soon as we looked at it, we said, ‘Nope, that is not candy.’”

The candies reportedly belonged to the student’s grandfather. Neither she, nor the three other students who ate them, had lasting symptoms, though some of the students did get “giggly,” according to the Journal.

School representatives posted a reminder for students and parents on Facebook last Thursday.

“We would like our community to be alert with drugs and any edibles that may or could be in different formats,” the post reads. “We kindly ask our parents and community members not to talk explicitly about drugs/medicine when students are present (unintentionally to tempt or encourage students to use drugs).”

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