Courtesy of NBC
April 19, 2015 6:18 PM EDT

A Minnesota mother was so distraught when all of the girls invited to her daughter’s birthday party said they wouldn’t be there that she took matters into her own hands and got an incredible turnout.

Ten-year-old Mackenzie Moretter has a developmental disorder called Sotos syndrome, which causes children to grow at a faster rate but often delays their social and intellectual skills.

“Kids are friendly to her, but she doesn’t have friends. No one calls and talks to her. I’ll show up at her school and she will be playing alone,” her father, Matthew Moretter, told NBC affiliate KARE.

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