(trademarked as DUPLO
) is a product range of the construction toy Lego
, designed for children aged 1½ to 6 years old. Duplo bricks are twice the length, height and width of traditional Lego bricks (eight times the size in volume), and are easier to handle - as well as being far harder to swallow - by younger children. Despite their size, they are still compatible with traditional Lego bricks. Initially launched in 1969, the Duplo range has gone on to include sets with figures, cars, houses and trains. The most common of all Duplo bricks is the 2x2 brick.
The Duplo brand, and the first Duplo bricks appeared in 1969. The bricks were available in four colors: red, yellow, blue, and white.
The following year, two more sets were added with blue and red wheel plates. In the product catalog for 1971, the sets were targeted at children from 1 to 2 years, but still sold mixed with Lego bricks, normally designed for ages 3 to 12. In 1972, the Duplo brick with 2 rows of 2 studs was introduced.
In 1975 Duplo became its own product brand, with five sets made up exclusively of Duplo bricks. New additions included a round-topped 2 by 2 stud brick and a small 4-wheel wagon with two rows of 6 studs. With these new Duplo sets, Lego was targeting children 1½ years old with the idea that when the children reached 3, the Duplo bricks could be used together with regular Lego bricks.
In 1977 the Duplo name was dropped in favor of Lego Preschool. Small figures... Read More