Items used:

Victorian Carnival (Playground) - AnimaGemini
Victorian Carnival (Balloon Ride) - AnimaGemini
Victorian Carnival (Kissing Booth) - AnimaGemini

Other props:
Carousel (Daz3D)
Building to the right side is part of a Ferris Wheel - Mausel (Renderosity)
Ice-cream cart - Ligeia (ShareCG)
Hats on children's heads - MysticArtDesign (ShareCG)
Marshmallow man - doll in boy's hand - MysticArtDesign (ShareCG)
Toon style boat (SketchFab)
Tiled flooring (Petege)

Characters:
Genesis 8 Female & Genesis Basic Child

Pose on G8F by Petege which I changed a bit
Poses on children - all basic which I changed a bit

Background from Pixabay
Sky from Luminar 4

Daz Studio Render