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. They all bring their stuffs to the playground and start exchanging their goods. Because he only brought out useless items, no one wants to exchange with him. Pororo is upset. So he goes home and fills a big sack with everything in his house, including his precious snowboard and Crong’s toy. He then goes to his friends’ houses and forces them to exchange goods with him. Finally, Pororo succeeds in exchanging with his friends and he feels happy.