It's bad to be a sore loser.
Emma was upset that she lost the board game to Trucy.
Emma wants to show her anger.
Emma challenges Trucy to a rematch insisting Trucy was simply lucky.
Emma flips over the table on Trucy and the board and pieces and table all spill onto her.
They begin to play the game once more for the fun.
Trucy doesn't want to play games with Emma anymore.