Building Sets are the plain DUPLO brick sets, buckets and boxes of bricks without a story. DUPLO started in 1969, and the name comes from the Latin word for double, because each brick is twice as long, wide and high as a LEGO brick. The studs are made to fit, so DUPLO and LEGO bricks lock together and a builder can move from one to the other. For years the plastic bucket was the usual way to sell them, from the 1980s through the early 2000s, often shaped or printed as an animal, a farm or a circus, and some came as anniversary editions. Later sets switched to cardboard brick boxes with ideas for what to build on the side.
2005 LEGO Sets
2005 marked the formal introduction of LEGO City, succeeding Town as LEGO’s modern urban theme. Star Wars minifigures transitioned from classic yellow to light nougat skin tones, aligning with other licensed lines. New themes included Dino Attack (Dino 2010 in Europe) and Vikings, while LEGO Star Wars: The Video Game debuted, establishing the long-running TT Games franchise. The year also celebrated 50 years of the LEGO System and growing digital expansion.