The three Perth children and their grandfather killed on Malaysia Airlines flight MH17 were remembered at a memorial service with more than 1000 people in attendance.
Friends and family were told to smile and laugh throughout the memorial service as bagpipes signalled the progression of the Maslin family and close friends into the Scotch College hall.
The three children were remembered as worldly by their parents, having lived in three different countries between them throughout their lives.
Their mother Rin Norris struggled to remain composed as she recounted the lessons she had learnt off the trio and the joy and delight her children brought her.
Ms Norris said when the children were born she held them in her arms close to her heart, doing the same when they were hurt to take away the pain.
She said she sang to them in different languages just like "grandfather Nicholas" did to her and had almost finished reading them the whole Harry Potter series.
"When their innocent bodies were shot out of the sky, I stretched my arms as high as I could and screamed for them," Ms Norris said.
"Now I see them only in my head. I can't touch them, I can't feel their warmth.
"My arms will always be reaching for them."
Their father Anthony Maslin said he referred to his children in the present tense because he knew with absolute certainty they were still with them today.
He said the children had seen more of the world in their short lives than most people did in a lifetime.
"Someone said they were so close, they were meant to be together," he said.
"(They were) unblemished, innocent, perfect souls. They are our whole world.
"And having Nick, the wisest man I know, as their eternal guide gives us some comfort, too."
Foreign Affairs Minister Julie Bishop flew to Perth from Ukraine to attend the service at Scotch College - the school Mo attended and where his grandfather was a former student.
There were smiles and laughter as stories about each of the children were shared, and musical tributes accompanied photo montages of the trio.
Mr Maslin described Evie as the heart of the family.
"We know Evie is making everything okay for Mo, Otis and Nick," he said.
"We hope she can somehow make everything okay for us too.
"I would choose the short time we have had with them over any normal long-lasting life."
Nick Norris' son Brack read a tribute to him on behalf of the family.
"He taught us about life by being a mentor, a confidante, a trusted friend and a sounding board," he said.
"He always approached things differently, challenging conventions and achieving some amazing things because of it."
Brack Norris said his father, a former school principal, had worked in Indigenous communities and was a true family man at heart.
"My dad was a great man," he said.
"I, and I suspect all of you, will always be grateful for having him in our lives."