LEGO Technic Differential gear box kit (gears, pins, axles, connectors) 27 pieces Go to amazon.com Related posts Top 10 recommendation lego part technic FeaturePLEASE NOTE: This item does not come in a box or official LEGO packaging. The gear pack arrives in a sealed cello baggie with loose parts inside.. DescriptionPLEASE NOTE: This item does not come in a box or official LEGO packaging. The gear pack arrives in a sealed cello baggie with loose parts inside.