Test Looking for a quick way to fill in space for large MOCs? Meet LEGO quatro, a theme produced for 1-3 year olds between 2004 and 2006. These bricks are 64 times the volume of a LEGO brick, so they’re an easy way to fill in builds without sacrificing stability or adding a lot of weight. Scroll through to learn about the quatro theme and how to integrate it into your builds using both standard and duplo bricks. We even discuss a cheat to build with quatro in Bricklink Stud.io!
