After seeing Eddy and Poby exchanging a book for a basketball with each other, the friends decide to meet at the playground to exchange things they don’t use anymore. Everybody manages to exchange their things, except for Pororo. Then, Pororo gets most of his things, until he doesn't have much left at home. Feeling bad for Pororo, his friends renturn his stuff back when Pororo is asleep.
에디와 포비가 서로 책과 농구공을 바꾸는 모습을 지켜보던 친구들은, 놀이터에 모여 서로 안쓰는 물건들을 바꾸기로 하는데....
