The store will open tomorrow and boasts a mosaic made from 88,470 individual bricks.
Original content and a consumer products line is on the cards.
The cake took over three months to create and is Australia's largest ever dog cake.
"We are super excited for kids to finally get their hands on Bluey toys."
In addition, the retailer plans to open 68 stores in 15 months in Australia.
In its annual results, the supermarket chain posted a 7.2% lift in net profit after tax of $1.75 billion.
"Our two landmark Lego certified stores in Queensland will attract both local and international visitors."
This is the fourth time the business has collaborated with Peter Alexander on Sesame Street.
The subscription video on demand platform will showcase content from Disney brands such as Pixar, Marvel and Star Wars.