The LEGO Primo theme was released in 1995 and included sets geared towards babies. The sets included Teethers, Tub Toys, Stack-n-Learn and Trains subthemes. The theme was discontinued in 1999 and was replaced by LEGO Bay.
1995 LEGO Sets
1995 marked LEGO’s 60th anniversary and the 40th anniversary of the LEGO brick, a year of innovation and reflection. LEGO Technic CyberMaster blended mechanical engineering with early computer control, foreshadowing Mindstorms and LEGO’s digital future. For younger builders, LEGO Primo debuted as a pre-DUPLO system introducing infants to basic stacking play. Aquazone launched as LEGO’s first dedicated underwater adventure line, featuring the Aquanauts and Aquasharks. Castle expanded with the Royal Knights faction, while the company mourned the passing of Godtfred Kirk Christiansen, whose System in Play philosophy shaped LEGO’s legacy.