The LEGO DUPLO Service Packs theme, similar to the standard LEGO Service Packs, consisted of supplementary sets designed for the DUPLO line. Released primarily in the 1980s and 1990s, these packs provided additional DUPLO parts or specific components. They were not full sets but rather supplemental pieces intended to enhance or expand primary DUPLO offerings. These packs catered to younger builders, allowing for replacements of lost parts or offering more building possibilities within the DUPLO system.
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