kidcore is an aesthetic based around bright colors, nostalgia for childhood, and child-like themes. although the actual creation can be dated back to the 1990s it was popularized in the 2010s. kidcore is commonly associated with other aesthetics and subcultures, such as scenecore, rainbowcore, babycore, clowncore, and many others.
phone wallpapers
profile pictures
appearance
hairstyles
legwear
shoes
accessories
here are some other images that i think fit this aesthetic :)