"There are children digging among the branches to find huhu grubs and over there something completely different [a tea party]."
Art-work was strung between the trees and paint of all colours was being applied to fabric, brown paper bags and large plastic sheets which floated in the breeze.
Walker said a lot of people had come together to make the weekend special.
"There are at least 15 students here from Western Heights High School and adults from across the community.
"Without the helpers we couldn't do this and it's so good to see the kids getting a day like this."
Following a colourful banner of flags through the trees led to a quiet discovery space where children could learn about the forest environment,
Kahu Kingi, 6, was helping his mum, Sky Smale, host all of the visitors.
"I think it's amazing," Kahu said.
"My mum set up this part and she has done a pretty good job."
Kahu was making sure people could try all of the activities which included a spot where you could lie on the ground and use a mirror to see the canopy.
"There is a treasure hunt of pests, there are cats and rabbits and possums. It's the invader trail of invasive species."
Smale said Kahu had definitely been a very enthusiastic supporter.
"It's been lovely so far, I really love working with kids.