One of the LEGO Speed Champions cars released earlier this year that we overlooked — perhaps distracted by the truly awesome 2016 Ford GT & 1966 Ford GT40 (my favorite Speed Champions set yet) — was 75877 Mercedes-AMG GT3. Before we dig into reviews of the summer 2017 LEGO sets, let’s catch up with this speedy little roadster. The LEGO Mercedes-AMG GT3 retails for $14.99 and includes 196 pieces, including one minifigure. The set’s pieces come in several unnumbered bags, with the sticker sheet loose inside the box. Like all other Speed Champions cars, the GT3 makes extensive use of studs-out connections on brackets to achieve the exterior shaping. But like the Bugatti Chiron, the rear headlights are built with techniques that would normally be considered “illegal” in official LEGO sets. The designers of the LEGO Chiron used a red rubber band for purely visual purposes, while the GT3 designers have...

