Pierre thám tử Mê cung: Lâu đài trên bầu trời

The Canal City scenes are packed with so many tiny details that my kids keep spotting new things each time we open it, and the maze paths actually get quite tricky near the end. For an activity book, the paper quality is solid enough to survive multiple erasures, which is a huge plus.

My kid and I have been working through the mazes together for a week now, and the detailed Canal City scenes are so packed with clever routes that we keep finding new paths each time. It's the kind of activity book that actually makes you stop and study every corner, and the challenge level is perfe

My eight-year-old got lost in Canal City for a whole rainy afternoon, which never happens with other activity books. The mazes are genuinely tricky but fair, and the detailed illustrations kept him hunting for hours.