A new Lego tree house kit made with plant-based materials is the latest example of the toy industry’s growing mission to court millennial parents seeking out sustainable toys for their children.

Looking for something to build with the kids, or something for you to sink your teeth into solo? This Lego Ideas Tree House deal might be just the thing. There's something magical about Lego that ...

Last year, Lego revealed a new type of brick made using a type of polyethylene created with ethanol from sustainably sourced sugarcane. Though it said only a small percentage of total bricks would be ...