I am looking for the lyrics for a traditional english song relating to wheeling a pram(bulator) through the streets of London, baby on board, and the art of crossing the road wihtout spilling the baby out of the pram

Apologies for the mistakes, but the chorus goes somewhat along the lines of:

Wheel the prambulator,boys, wheel it nice and slow Dont be ???, mind the child, careful how you go When you reach the corner, when you cross the road Hold the front wheels up again, or over goes the load

Any help would be appreciated

Tim