flap book

彰化縣員林市育英國小

The students show each other their DIY flap books. 

學生們互相展示他們DIY的翻蓋書。

Under the flap book's flap is a hidden picture like a car, a dog or a tree. 

翻蓋書的翻蓋下方隱藏著一張圖片，例如汽車、狗或樹。