The supplier will not ship ants in the winter as long as there is a chance the temperature will drop below 32 degrees F for the obvious reason that the ants will likely die during shipping! Bummer! It makes sense, of course, and we don't want a vial of dead ants. Still, it was a bit disappointing knowing we have to wait a couple of months before getting our ants for the ant farm.
So, consider getting an ant farm for your child, but just be aware that you may not have ants right away depending on the season.