Rebuilding Lego for Today's Kids

The toymaker rolls out products more complex than its blocks
Photograph by Aaron Dyer for Bloomberg Businessweek

Lego fans no longer need to fret about the cat or dog knocking over their constructions. They can ward off bothersome pets or nosy siblings with a plastic-brick creation such as the R3ptar. The robotic snake, which can be programmed from a smartphone app, is equipped with a snapping mechanical jaw and fangs that will send even the boldest kid brother packing.

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