These two slightly different luggage-plus-people-wagon ads were published in different magazines.
This first was appeared in a 1946 issue of the New Yorker. This family is planning their first post-war vacation. You can view all the information on eBay:
This second one is from 1946, but the publisher is unknown. This ad includes less luggage for the group’s trip to the ‘big game’. You can view all the information on eBay: