The board game that involves buying and selling properties is Monopoly. Created in the early 20th century, this classic game allows players to experience property trading and management as they navigate around a game board. Players buy, sell, and trade properties, build houses and hotels, and collect rent from opponents. The objective is to bankrupt other players while striving to build wealth through strategic investments. Monopoly is known for its iconic elements, including the use of money, property cards, and game pieces. The game encourages negotiation, strategy, and sometimes luck, making it a popular choice for family and social gatherings.