Answer:

cels

Answer	Crossword Clue
CELS	Animation frames
CELS	Cartoon-art pieces
CELS	Animated film, essentially

CELS	Cartoon collectibles
CELS	Animation film units
CELS	Collectible frames
CELS	Cartoon frames
CELS	Frames featuring Flintstones, e.g.
CELS	Toon collection
CELS	Disney collectibles
CELS	Toon collectibles

CELS	Art collectibles
CELS	Disney Store sales
CELS	Elmer Fudd collectibles
CELS	Valued frames
CELS	Disney no longer used them after "The Little Mermaid"
CELS	Items from drawers?
CELS	Animation sheets
CELS	Bugs may appear on them

CELS	Animators' sheets
CELS	Some Disney collectibles
CELS	Animation creations
CELS	"Fantasia" frames
CELS	Animator's supply
CELS	Collectible sheets
CELS	Animation units
CELS	Animation products

CELS	Disney frames
CELS	Some Disneyana
CELS	Animation collectibles
CELS	Toon frames
CELS	Animation art
CELS	Collectibles signed by Chuck Jones
CELS	Cartoon components
CELS	Disney Store buys

CELS	Transparent sheets for Disney artists
CELS	Warner Bros. inventory
CELS	Animator's portfolio items
CELS	Cartoon art
CELS	Disney output