Thank you, Harry Warner Lisa Tao, Suzanne Geary, and Elise Trinh for posting concept art online!
Here is where you can find many early designs, renders, and prototypes of multiple hatchimals toylines, as well as links to Toyfair footage.
Electronic Pets [ ]
Spin Master's original idea was to make a baby bird that you would hatch and teach to fly. This would later become hatchimals and the flying gimmick would be passed on to Owleez.
early concept ready to fly
hatchimals glittering garden prototypes at the toy fair
mystery hatch/secret hatch
Seasons 1-3 [ ]
early carton and glittering garden sketch
early season 2 figures can be seen on the back of the hatchery nursery box, including a pink koalabee variant that didn't make the cut
secret scene(glittering garden)
carton with early flamingoose design
early snowflake shire figures at the toy fair
early magical meadow figures at the toy fair
early glittering garden figures at the toy fair
PROTOTYPES: CLICK HERE
Hatch Bright (Season 4) [ ]
secret scene(unknown area)
Early illuma island design
later illuma island design
unknown, possibly early team hatch prototypes
3d render of the unikeet 2-pack
EARLY ILLUMA ISLAND IN ACTION: CLICK HERE
Mermal Magic (Season 5) [ ]
Royal Hatch (Season 6) [ ]
season 6 4-pack + bonus early mock-up
season 6 4-pack + bonus early mock-up back
Hatchimals Pixies [ ]
Mock up of an endcap display
Hatchtopia Summer Vibes [ ]
Early concepts for the hatchimals including some that did not end up making the cut
Pixies Vacay Style [ ]
Glamfetti [ ]
art showing they were originally considering a sort of splattered paint look
Mini pixies [ ]
Hatchimals Pixies Crystal Flyers [ ]
early render of starlight idol
early render of the new crystal flyer box
Hatchimals Pixies Riders [ ]
Cosmic Candy (Season 8) [ ]
either a 3d render of the cosmic candy shop or a model shown at the toy fair
Cosmic candy pixies [ ]
Wilder Wings (Season 9) [ ]
Pixies Wilder Wings [ ]
Shimmer Babies (Season 10) [ ]
3d models for unikeet animations and figure
3d models for shagpuppit animations and figure
early concept for the store display
characters that made the final product
crabler and fish sketches
even more character sketches
bottles, rattles, and pacifiers
Pixies Babysitters [ ]
Pixies Riders Shimmer Babies [ ]
Families & Rainbow-Cation [ ]
artwork of some hatchimals and accessories from a playdate pack
Some hatchimals from the cat dancers and bunny bakers familys
early 3d render of the family set packaging
early 3d render of the playdate pack
early 3d render of the s11 carton
unicorn hair stylist carton
concept for s11 hatchy homes and lion artists
concept for s11.5 hatchy homes and luau leopards
concept for sibling luv pack and koala campers
concept for s11.5 playdate pack(waterpark) and figures
concept for s11.5 playdate pack(ice rink)
concept for s11.5 playdate pack(garden)
concept for s11.5 playdate pack(campout)
concept for s11.5 playdate pack(fancy)
RAINBOW-CATION PROTOTYPES: CLICK HERE
HATCHICORN PROTOTYPE: CLICK HERE
Alive! [ ]
3d render of the hungry hatchimals set
3d render of the pink carton
3d render of the hatch n' stroll set
3d render of the hatchi nursery
3d render of the hatchi nursery opened
3d render of the make a splash playset
Art of egg and renders of panda and bottle
Rainbow splash & Neon rainbow [ ]
Miscellaneous [ ]
unknown my best guess is a very early version of glow up
Early hatchtopia life plush design
beta hatchtopia life game
more scrunch bunch patterns
polar palace advent calendar
hatchibaby accessories sketch
hatchibaby accessories final sketch(the cradle didn't make the cut)
Toy Fair Videos (Includes other products by Spinmaster) [ ]
2017: https://www.youtube.com/watch?v=zjAUjGNxWTs
2018:https://www.youtube.com/watch?v=ys48AI3S4RY
2019: https://www.youtube.com/watch?v=FjAMewwM_Ng
2020:https://youtu.be/gj1IFuFDf44?si=fNMt6h19gzKd5-lO (towards the end)