Any item on " EXCHANGE IT " page is offered by people who are either selling their item(s) as "new/used product " or offering EduStore buyers to exchange with their item(s) of equivalent value. Goods are exchangeable as long as they are offered in acceptable condition. Buyers are advised to purchase or exchange only after communicating with the seller (nonprofitsale@gmail.com) . If needed, they can use the forms provided through the above links.