how is nightmare before christmas made

Nightmare Before Christmas is a stop-motion animated film directed by Henry Selick, and produced by Tim Burton and Denise Di Novi. The film features stop-motion animation of claymation figures, as well as traditional hand-drawn animation. The film took nearly 3 years to complete, requiring the efforts of over 160 animators and artists. The film's unique blend of dark humor, music, and animation helped to create a holiday classic that has been adored by audiences worldwide for over 20 years.