Doraemon gives Nobita an ointment which when rubbed on your fingers, you shout "peng" and a jet of air powerful enough to knock someone over comes from your finger, so allowing the gang to play at shooting each other.
Genres: Action & Adventure , Animation , Comedy , Family , Kids , Sci-Fi & Fantasy
Keywords: anime , based-on-manga , gadget , japan , school-life , time-travel , watch-TV-series-online-free , watch-anime-series-online