The LEGO DUPLO Basic Sets, released in the 1970s, are foundational sets designed to introduce young children to the basics of building with larger, easy-to-handle bricks. Notable sets include "Building Set" (511), which contains a variety of basic bricks and elements for freeform construction; "Building Set" (513), which offers a more extensive collection of bricks and accessories for more complex builds; and "Building Set" (512), which provides an intermediate selection of bricks for versatile building options. These sets aim to develop fine motor skills and encourage creativity and imaginative play in preschool-aged children.
1970 LEGO Sets
1970 marked a period of transition and consolidation for LEGO. The company began reclaiming U.S. market rights from Samsonite following founder Jesse Shwayder’s death, leading to full control by 1973. In Italy, LEGO responded to import restrictions by launching Minitalia, a localized line produced from 1970 to 1975. The long-running Town Plan theme was discontinued as LEGO moved toward standardized scale and unified play systems. While largely a structural year, these shifts laid the groundwork for the innovations of the mid-1970s.