Emotions have received widespread attention in the education field globally thanks to the greater emphasis on well-being in recent times. Against this backdrop and the fact that foreign language (FL) education is increasingly common from a young age, this study set out to investigate what FL "classroom activities" children find most enjoyable and most boring, and why. Ninety-eight Grade-5 English-as-a-FL learners in Hong Kong participated in this study. The participants put forward 18 activities that they thought were most enjoyable, especially "games" and "videos" (together making up about 49% of the responses). Fifteen activities were deemed most boring, especially "writing" and "dictation" (together 45% of the responses). "Fun," "knowledge-gaining," and "opportunities for interaction" were among the most common reasons given for activities being enjoyable, while "difficult," "troublesome," and "tiring" were the main descriptors of the activities they thought were boring.