****SEND US YOUR DEAD 21T MOTOR AND GEARBOXES AND WE'LL SEND YOU 2 NEW ONES

21T GEARBOX 
This gearbox replacement features the heavy duty outer gear #4 to handle a higher stress load
than the previous thin wall version. Gearbox will be shipped with either White, Orange, Black, Blue or Red outer gear #4.
This is the latest and greatest out of the Fisher Price.