The Northern Knights play cricket in Tokoroa with the Maxwell family and friends after Jaida, 11, wrote to them asking they do her brothers Ayden, Bradlee and Cambell a good turn in thanks for the sacrifices they've made owing to her rare illness.

Tokoroa's Jaida Maxwell is a very, very special young girl.

The 11-year-old has spent her entire life battling a rare bowel condition, causing her to spend weeks and months in hospital.

Because of that, her three brothers - Ayden, Bradlee and Cambell - have missed out on plenty during their childhood while stalking the hallways outside hospital wards.

Rebekah Parsons-King/Fairfax NZ Cricketers Darryl Mitchell and (far right) Mitchell Santner with siblings from the Maxwell family, Cambell, 8, Jaida, 11, Bradlee, 13, and Ayden, 16.

On Wednesday, Jaida got to pay her brothers back and say thank you.

Knowing her brothers were cricket mad, she sent a letter to the Northern Knights cricket team asking if they would play against the Tokoroa Cricket Club juniors.

Within two minutes of sending her letter via Facebook, the Knights had replied with a resounding yes, and a few hours later a date and time was set.

"Maybe one afternoon or weekend when you're not busy, you could come to Tokoroa… it would make my brothers' dreams come true," Jaida wrote in her letter to the team.

"I could pay you my pocket money to go towards it."

The Knights surpassed all Jaida's expectations when they turned up at Tokoroa's David Foote Park on Wednesday morning. Anton Devcich, Mitchell Santner, BJ Watling, Jono Boult, Graeme Aldridge and many more wore the Knights uniform with pride, playing games with the excited Tokoroa juniors.

"She showed me the letter and my heart melted," Jaida's mother, Amanda Davies, said.

"She did it all on her own, so it was quite nice.

"About two weeks ago we went to the True Colours Northern Knights open day. The boys loved it, so she wanted to give something back to them."

When the Knights players heard of the letter, they immediately jumped on board.

Even Black Caps players stars Trent Boult and Tim Southee wanted to come along, but had overseas commitments that couldn't be changed. Knights veteran Graeme Aldridge was the one who suggested the team head to Tokoroa on Wednesday, ahead of their prizegiving on Thursday.

It was his final public appearance as a Knights player, having retired from the game following the past season.

"We saw the email she sent to ND. It's pretty easy for us to come out here and play with the kids for a day," Aldridge said.

"I've got kids of my own, so I can't imagine what the family goes through day to day. For us to come out here, it's easy and we were more than happy to help."