The LEGO DUPLO theme is designed for children ages 1 to 5. It features DUPLO figures which are much larger than minifigures and DUPLO blocks which are about twice the length, width, and height of a standard System brick.
1982 LEGO Sets
1982 marked the arrival of the LEGO Expert Builder series, later known as LEGO Technic. This line offered a more advanced building experience, incorporating specialized parts such as gears, axles, and pins, allowing for functional mechanical models. Additionally, the classic LEGO Space and Town themes saw the addition of new sets.