The drug bust led to nearly 115 pounds of narcotics.
The 47-year-old is a St. Paul resident.
It was found just outside one of the doors to Pine City Elementary School.
The drugs were found in a Subway wrapper.
Deputies also seized meth, a stolen gun, and thousands in cash.
One of the kids, an 18-month-old boys, had to be treated for meth withdrawal.
Their arrests were the result of joint working between Minnesota and Arizona authorities.
The seizure was made on Tuesday in North Minneapolis.