We have all grown up with the popular product, and many of us have fond memories of building - and unbuilding - childhood projects made from the colourful pieces.

Now you have the chance to relive some of those childhood memories, or perhaps introduce your children to the hours of fun associated with the product.

Rainbow Brick is a registered LEGO user group with the LEGO Group. Based on the Newcastle/Central Coast area, this group hosts events across NSW to help schools and charities raise funds, says ambassador Kevin Evans.

"Rainbow Bricks is organising a Port Macquarie event with the proceeds supporting local schools and club," he said.

"The supporting schools are providing volunteers to help us on the event day.

"This is the second time we have visited Port Macquarie, with the first event being in 2016.

"Our exhibitors are excited to be back with new exhibits. 

"There will be exhibitors from across NSW displaying their amazing creations as well as some old favourites like the LEGO City Layout. 

Currently there are 23 exhibitors including a couple of local exhibitors with over 60 trestle tables of LEGO displays."

Mr Evans said along with the LEGO displays will be, a build area for children to build in; a remote control trackers area for children to drive the LEGO RC Tracker; a colourin area with a LEGO theme; and, a Speed Build competition. 

"You have a random selection of parts and three minutes to create something," Mr Evans added.

There will be a number of exhibitors who are selling LEGO parts, sets and other LEGO merchandise.

Port Macquarie Brickfest is on Sunday May 27 at the Port Macquarie Indoor Stadium, from 10am until 4pm. Cost is $5 per person or $15 a family.

The event has a Facebook page.