A trio of bullies beat up on an innocent group of kids in Central Park late Monday — swiping their sleds and punching one in the head, police sources said.

Brothers Arthur and Enzo Zani, 14 and 10, were sledding in the park near 86th Street after school with their pal Gabriella Thorpe, 12, when three meanies, ages 10 to 16, asked if they could use the sleds too.

But instead of sharing, the bullies snatched the sleds and started walking away.

“They asked them to give them back, and one of them [pushed] my son, Enzo,” said Arthur and Enzo’s mother, Lilian Zani, 53, who added that her son was in tears after the scary attack.

The 16-year-old punk, who is roughly 6 feet tall and 150 pounds, also punched Gabriella in the head — and she was later taken to a local hospital for treatment.

“We just arrived here six months ago from Brazil,” Lilian said. “I really expected safety and peace.”

The children reported the incident to police a couple of hours later, but they haven’t caught the young ruffians yet.

“I was very stressed out and nervous,” the worried mom said. “We never imagined it would happen here in Central Park.”

The group’s sledding days are over, she added.

“We just found a school nearby and they have many friends,” she said. “But I do not think they will be going sledding again. Never more.”

A little later in the evening, a 38-year-old man walking along West Drive near West 90th Street in Central Park was violently robbed when two masked men approached him at 8:35 p.m., according to police.

One of the suspects whipped out a folding knife, and a second man started to punch him, cops said. They fled with his phone on the East Bridle Path, cops said.