The Hazel Custom represents specialized variants of the RX-121 Gundam TR-1 from Advance of Z, featuring unique equipment configurations and custom mission packs developed by the Titans Test Team. This collection showcases premium model kits of Hazel Custom units with distinctive loadouts, enhanced boosters, and specialized armaments across Master Grade and High Grade lines.

Perfect for Advance of Z collectors seeking rare configurations, these kits feature custom shield boosters, sub-arm units, specialized backpacks, and unique weapon combinations with exceptional detail. Ideal for builders who want to explore the full potential of the Hazel's modular system with exclusive parts, custom color schemes, and the engineering versatility that made Advance of Z legendary among UC enthusiasts.