Some sets are worth thousands of dollars, and Lego theft is feeding a thriving black market. So can you blame Mattel, the toy company that owns Hot Wheels, for wanting to get in on the action?

Mattel on Tuesday announced that it plans to launch Mattel Brick Shop, a Lego-like competitor that will slot into the toy building sets category, according to a company press release. Mattel is ...

Watch out, Lego. The Mattel Brick Shop has arrived. In a collab with its Hot Wheels brand, the all-new non-diecast product portfolio debuts with seven building sets that feature not just plastic ...

Plastic brick by plastic brick, Lego has edged past Mattel for toy industry supremacy. First-half Lego revenue rose 11%, to 11.5 billion Danish kroner ($2.01 billion) from 10.4 billion kroner ...

Toy companies including Mattel and the Lego Group have taken note of these customers known in the industry as “kidults” and increasingly are making toys with them in mind. Mattel has tapped ...

STOCKHOLM—The Lego brick has toppled the Barbie doll—at least for now—in children's affections.

LEGO has narrowed the gap between it and the world’s largest toy maker, Mattel, as it posted strong earnings growth for 2014. Closely held Lego competes for the top spot in the industry with ...