Kids' quad
A small quad, and the field path is the track.

A little train that loops the grounds, a tractor with a wheel they can hold: this is how a child remembers a place.
One unit is fine. Ships consolidated (LCL) or by air.
A small quad, and the field path is the track.
Three yellow ducks on the beach, waiting for their drivers.
In winter the yellow duck grows tracks and runs on snow.
Pedal karts: the legs are the engine.
A child's first go at a tractor: the farm's first lesson.
Each carriage a colour; children pick a colour before a seat.