Postmaster Drew gives a guided tour of the post office, where he explains such things as why there are so many types of stamps, what happens to a letter after it is mailed, and how heavy is the heavie
Museum guide Maria gives a tour of the science museum explaining the various collections and exhibits that are found there and the ways in which science museums differ from other museums. Includes ins
Store employee Mark gives a guided tour of a supermarket, where he explains such things as which are the most popular foods, why some foods must be kept frozen, and how groceries should be packed in b
Doctor Hart gives a guided tour of her veterinary clinic, where she explains such things as what equipment she uses, how she calms animals down, and some of the different problems he treats.
Aquarium worker Ming gives a guided tour of the Blue Harbor Aquarium, where she explains such things as what kinds of jobs people have there, what kinds of fish and animals live there, and how food is
