Image Item No. Description  4755  Electric Plate 1 x 2 with Contacts Catalog: Parts: Electric  4757  Electric Plate 2 x 4 with Contacts Catalog: Parts: Electric  4758  Electric Plate 2 x 8 with Contacts Catalog: Parts: Electric  28739c01  Electric Powered Up Bluetooth Speed Remote Control Unit with Light Bluish Gray Base Catalog: Parts: Electric  bb0891c01  Electric Sensor, Color and Distance - Boost Catalog: Parts: Electric