[elecena] Rapid Economy Gearbox - zmiany ceny An economy gearbox with clear casing. * Complete with 3V motor * Helps pupils to understand the mechanics and movement of gears and motors * Reduction ratio 40:1 * Output shaft diameter 4mm Rapid Economy Gearbox - 5.10 GBP https://elecena.pl/product/27206482/rapid-economy-gearbox 2024-11-10 Rapid Economy Gearbox - 4.25 GBP https://elecena.pl/product/27206482/rapid-economy-gearbox 2026-07-05