Clever and Magical Puzzles

Congcong is a smart, brave and kind-hearted child. It's summer vacation, and Congcong's father rewards Congcong with a set of Olympic puzzles. Congcong is very happy. However, while putting together the puzzle, the careless Congcong accidentally spilled the ink. This is bad, the Olympic elves living in the "Olympic Elf City" in the puzzle have developed strange diseases. The flame on the head of the Olympic flame elf is about to go out. Grandpa Wulian has lost the memory related to China's participation in the Olympics. The table tennis elf does not admit that the tennis elf and him are biological brothers... Can Congcong drive a time shuttle to help his grandfather retrieve his memory, explore the origin of table tennis, etc.? Let's go, Congcong! Come on! Purpose: Learn about Olympic history and Olympic knowledge through interesting stories, and be proud of China