Image Item No. Description By  58122c00  Electric 9V Battery Box 6 x 11 x 4 with Dark Bluish Gray Base without Battery Box Cover Catalog: Parts: Electric 84  bb0491  Electric Energy Display Catalog: Parts: Electric 118  33718  Electric Hub, USB - WeDo Robotics Catalog: Parts: Electric 42  4755  Electric Plate 1 x 2 with Contacts Catalog: Parts: Electric 112  4757  Electric Plate 2 x 4 with Contacts Catalog: Parts: Electric 43  4758  Electric Plate 2 x 8 with Contacts Catalog: Parts: Electric 33  bb0339c01  Electric Pole Reverser / Polarity Switch with Black Lead, Power Functions Catalog: Parts: Electric 4443  6551  Electric Pole Reverser / Polarity Switch without Center Part Catalog: Parts: Electric 1  bb0339c02  Electric Pole Reverser only with Black Lead, Power Functions Catalog: Parts: Electric 622  58122c01 (Inv)  Electric Power Functions 9V Remote Control Unit with Dark Bluish Gray Bottom (58122c00 / 58135) Catalog: Parts: Electric 9141  64227c01  Electric Power Functions IR Speed Remote Control Unit with Dark Bluish Gray Base Catalog: Parts: Electric 3775  58123c01  Electric Power Functions Receiver Unit with Dark Bluish Gray Bottom Catalog: Parts: Electric 15589  58123bc01  Electric Power Functions Receiver Unit with Dark Bluish Gray Bottom and Black V2 Print (Version 2) Catalog: Parts: Electric 4463  58123c01pb01  Electric Power Functions Receiver Unit with Dark Bluish Gray Bottom with Gauges Pattern on Both Sides (Stickers) - Set 3677 Catalog: Parts: Electric 35  58123c01pb02  Electric Power Functions Receiver Unit with Dark Bluish Gray Bottom with Number 2, 'RACE' and 'XRFUEL' Pattern on Both Sides (Stickers) - Set 42095 Catalog: Parts: Electric 27  28739c01  Electric Powered Up Bluetooth Speed Remote Control Unit with Light Bluish Gray Base Catalog: Parts: Electric 2  6272c01 (Inv)  Electric RC Race Buggy Battery / Receiver Unit with Auxiliary Output Catalog: Parts: Electric 1  x1678  Electric Rechargeable Battery 7.4V - NXT, AC plug Catalog: Parts: Electric 6  95656  Electric Rechargeable Battery DC - EV3 Catalog: Parts: Electric 371  bb0805  Electric Sensor - Mindstorms RF ID Catalog: Parts: Electric 18  95650  Electric Sensor, Color - EV3 Catalog: Parts: Electric 98  64892  Electric Sensor, Color - NXT2 Catalog: Parts: Electric 1  bb0891c01  Electric Sensor, Color and Distance - Boost Catalog: Parts: Electric 1  99380  Electric Sensor, Gyro - EV3 Catalog: Parts: Electric 43  95654  Electric Sensor, Infrared - EV3 Catalog: Parts: Electric 154  20844  Electric Sensor, Motion - WeDo 2.0 Catalog: Parts: Electric 385  43718  Electric Sensor, Motion - WeDo Robotics Catalog: Parts: Electric 13  55963  Electric Sensor, Sound - NXT Catalog: Parts: Electric 1  20841  Electric Sensor, Tilt - WeDo 2.0 Catalog: Parts: Electric 177  14618  Electric Sensor, Tilt - WeDo Robotics Catalog: Parts: Electric 15  879  Electric Sensor, Touch Catalog: Parts: Electric 30  95648  Electric Sensor, Touch - EV3 Catalog: Parts: Electric 147  53793  Electric Sensor, Touch - NXT Catalog: Parts: Electric 1  879c04  Electric Sensor, Touch with Yellow Contact Catalog: Parts: Electric 1  95652  Electric Sensor, Ultrasonic - EV3 Catalog: Parts: Electric 42  53792  Electric Sensor, Ultrasonic - NXT Catalog: Parts: Electric 1  87578  Electric Solar Panel Catalog: Parts: Electric 125