There are some things that only happen once in a lifetime, so when they do, you go all out. Five siblings attending a LEGO convention together is one of those things, so when that happened to us at Brickworld Chicago earlier this year, we knew the achievement called for a big collaboration. But there was a hitch. You might know that my family lives in South America. You almost certainly are aware that air travel is not known for its friendliness to LEGO creations. Besides, with the size of collaboration we were going for, there’d hardly have been enough room in our luggage! Enter the amazingly generous LEGO community, which helped us raise money through a GoFundMe. Dozens of PAB cups and BrickLink orders later, we had the bricks we needed to build a show stopper. But bricks are only half the battle. Finding a strong concept for our collaboration was...

