Police say she threw 16-month-old Benjamin Kingan to the ground last week.
The toddler was found unresponsive at a Lincolnshire child care center and died later of head injuries.
Calusinski is due back in court February 17.
Police say she threw 16-month-old Benjamin Kingan to the ground last week.
The toddler was found unresponsive at a Lincolnshire child care center and died later of head injuries.
Calusinski is due back in court February 17.