Add a verse about tractors to the song “Old MacDonald had a Farm.” The sound that a tractor makes is “Vroom, Vroom.” Because this sound is the same sound that cars and trucks make, it is more familiar than animal sounds for kids who don't live on farms.
Fill a basket with toy vehicles and pass the basket around. Each child takes out one toy, names it and tells a little about it. Make sure that one of the toys is a tractor. The child who selects the tractor would say something like “This is a tractor. It is used on a farm.”
Draw and paint a tractor. Be sure to point out that the front wheels are smaller than the rear wheels, and that this is different than cars, trucks and buses. It makes the drawing or painting more interesting if a farmer is on the tractor and the farmer is wearing a hat.
Point out how a tractor looks like a capital letter T. Turn the T on its side and add a couple of circles to start drawing a tractor.
Use tractors to start a discussion of related topics. For example, comparing tractors to other vehicles. Tractors have different sized wheels and only carry one person. Tractors are also a good starting point for a discussion of farms and foods. Some of the food in the supermarket was grown on a farm, and these kinds of connections are not always obvious to kindergarteners.
Tractors do not go very fast. When they have to drive somewhere on the road, they go much slower than the cars and trucks on the roads. If children look for them, it is common to see slow-moving tractors on the roads in rural areas. Ask children if they have ever had this experience with tractors while riding in their parent's cars.