Fast-paced interactive design Time-limited Challenge Mode: Each round of the game has a 30-second to 2-minute time limit, where children need to quickly fold cards to complete puzzles, word pairs, or grammar combinations to stimulate reaction speed and concentration. Dynamic Difficulty Adjustment: Automatically adjusts the difficulty of the puzzle based on the child's performance, ensuring that it is both challenging and fun. Freedom to explore and learn Open folding: Children can freely use their creativity to fold the cards into different shapes and trigger hidden English knowledge (e.g. word pronunciation, grammar rules). Thematic learning packs: 12 themes are provided, including animals, traffic, numbers, etc. Each card corresponds to a knowledge point, and animations, sound effects or stories are unlocked by folding. Parenting puzzle function Bilingual Teaching Mode: Supports switching between Chinese and English, parents can customise the learning content (e.g. words, phrases, sentences). Progressive Achievement System: Children can earn virtual medals for completing challenges to motivate continuous learning.