2977c01Sensor, RotationPart number2977c01CategoryElectronicsMaterialPlasticAppears in4 setsThis part on Rebrickable ↗ (opens an external website)Available colours 1Blue#0055BF4 sets – Sets in this colour: BlueNumbers at other sourcesSourceNumberLEGO72632Rebrickable2977c01Sets containing this partColourAll coloursBlueApply4 results3801-1Ultimate Accessories200045 partsRCX1× in this set9756-1Rotation Sensor19991 partsRCX1× in this set9701-1Control Lab Building Set1995576 partsControl Lab2× in this set9891-1Angle Sensor19951 partsControl Lab1× in this set