An LED unit lights a kit's eyes or frame. It is often sold separately: the PG UNLEASHED Nu Gundam has its own LED unit item, and Bandai's MGEX Unicorn page says its three AA batteries are sold separately.
The PG UNLEASHED LED unit is ¥15,400 with tax on Bandai's Japanese list.
Read Oct 14, 2026. The definition is ours; facts come from the pages above.