from the back cover: Lebih dari 100 karakter khayalan tersembunyi di dalam kisah penuh sihir ini. Dengan kacamata rahasia berapa yang bisa kamu temukan?
How can we make the icy path less slippery? How can we choose how fast to go down a slide? What's the best way to get muddy clothes clean? In this boldly original book, a group of young friends ask intriguing questions about the world around them, inspiring readers to speculate, investigate, and find out the answers for themselves.