TF-01 Sixbuilder Sixbuilder Not released during G1 era SixbuilderMicromasters1992TF-01 Crush Bull Not released during G1 era Crush BullSixbuilderMicromasters1992TF-01 Digger Not released during G1 era DiggerSixbuilderMicromasters1992TF-01 Gran Arm Not released during G1 era Gran ArmSixbuilderMicromasters1992TF-01 Iron Lift Not released during G1 era Iron LiftSixbuilderMicromasters1992TF-01 Mixing Not released during G1 era MixingSixbuilderMicromasters1992TF-01 Treader Not released during G1 era TreaderSixbuilderMicromasters1992TF-01 Gallery Box Variants 1992 MicromastersTakara Sixbuilder 2003 MicromastersHasbro Sixbuilder Reissued with new colors With friends Reissue (left) vs Original