Here's a Doraemon encyclopedia listing every gadget that appeared
Doraemon Gadget Rush 1.4.2 Free Download
Doraemon Gadget Cat from the Future (Bang Zoom/Disney XD English Dub) Seasons 1-2 Full Series : TV Asahi, Asatsu-DK, Shin Ei Animation, Bang Zoom Entertainment, Disney XD : Free Download, Borrow, and
Doraemon - Wikipedia
Doraemon Encyclopedia, Doraemon Wiki
What gadgets (dōgu) in Doraemon could most likely become reality? - Quora
Doraemon Encyclopedia, Doraemon Wiki
Gadgets of Doraemon - Doraemon Türkiye
Doraemon's Surprised All Encyclopedia, Doraemon Wiki
Doraemon
How can Doraemon buy many amazing gadgets although Sewashi's family is poor? - Quora
Doraemon (TV Series 1979-2015) — The Movie Database (TMDB)
Useful Doraemon gadgets from the future! - Blog with Hobbymart
Doraemon (character) - Wikipedia