: Many of Doraemon's gadgets could interact with paper in interesting ways. For example, his "four-dimensional pocket" can store a vast number of objects, potentially including paper.
The movie (2001 remake of a 1986 short film) follows Nobita and friends after he buys a strange robot toy from a mysterious dealer. That robot, (sometimes “Riruru” in the original), is actually a scout for an alien race called the Robot Army — mechanical beings from the planet Meccatopia who want to enslave all organic life on Earth. doraemon steel troops