It would be very hard to make the lessons more fun without massively increasing the necesary effort. You may also find that adding too many elements to your classes just to make it more fun could potentially backfire and decrease the actuall learning. Use informative but engaging videos if you want to. Also consider preparing yourself better, as this often is more effective than trying to develop the perfect plan.
spam fails_task lang_mismatch pii not_appropriate hate_speech sexual_content quality toxicity humor helpfulness creativity violence