KINDER ELEKTRISCHE FAHRT AUF AUTO ERSATZ GETRIEBE FÜR 550 TYP `B` KOMPLETTSET
(THERE ARE DIFFERENT TYPES DEPTHS AND RATIOS OF THESE DEPENDING ON THE MOTOR GEARBOX TYPE). NUMBER OF TEETH. (NOTE: WILL NOT REPLACE 5 COG / SLOT MOTOR GEARBOXES). COMPATIBLE WITH STANDARD55O MOTOR GEARBOXES OF THETYPE `B`.