Printed Literature With Movable 3D Pages
Puzzle 13 of Baking a Cake Hard Pack
Question is: Printed Literature With Movable 3D Pages
and the answer is: POPUPBOOK
Word Meaning:
POP — (countable) A loud, sharp sound, as of a cork coming out of a bottle, especially when the contents are pressurized by fizziness.
Definitions from Wiktionary.