2954Hub, Control LabPart number2954CategoryElectronicsMaterialPlasticAppears in1 setsThis part on Rebrickable ↗ (opens an external website)Available colours 1Dark Gray#6D6E5C1 sets – Sets in this colour: Dark GrayNumbers at other sourcesSourceNumberRebrickable2954Related partsPairs with70931 Electric Adapter / Transformer, 120V 60Hz, Train Speed Regulator 9VSets containing this partColourAll coloursDark GrayApply1 result9751-1Control Lab Serial Interface & Adapter19952 partsControl Lab1× in this set