Owen Napierkowski, 7, makes building a Lego set look simple — even a 3,955-piece “Home Alone” house. He has been building ...

These days, LEGO is for all ages. But not so long ago, it was exclusively targeted at kids. The AFOLs (Adult Fans of LEGO) always existed, but sets targeted at them are a fairly recent phenomenon.

The Lego Bluey lineup will span both the Lego 4+ and Duplo categories, making them smaller sets aimed at young builders.