Puppy socialization can also include making funny encounters and stupid noises at puppies; exposing those to skateboards, bicycles, wheelie bins and other moving things. Noises of airplanes, noisy equipment, children screaming, newborns crying, radios blaring are usually everyday occurrences that your puppy may experience in later life. CD's can be found with a variety of noises, including thunder which is something that's not always designed for the pup to get accustomed to.
Puppy preschool or kindergarten is a great avenue for socialization with other pups of a similar get older. However, the discord arises from the question of puppy vaccinations "is it safe to take a puppy out during this time?" This is a problem because on the main one palm you want to train your pup to be sociable but keep the puppy safe at the same time.