LEGO Insiders Fish Tank 150pcs 6605178 GWP Exclusive Limited Set New Sealed

About this deal

This is a LEGO Insiders exclusive set, originally made available as a Black Friday reward for members of the LEGO Insiders loyalty programme. It contains 150 pieces, is aimed at ages 10 and above, and comes in a compact box measuring approximately 14.7 x 14.7 x 4.5 cm. It was available to redeem for 2,400 Insiders points from 28 November 2025. The build depicts a sizable fish tank with a single creature inside, along with coral, all set on a rocky base featuring an archway. It makes for a neat desk display. Because it was never sold at retail and could only be obtained through the LEGO Insiders rewards programme, sealed examples are now sought after by collectors. Reference number 6605178 is the European item number for this set.