Virtual pet

local LocalPlayer = game:GetService("Players").LocalPlayer
local Character = LocalPlayer.Character or LocalPlayer.CharacterAdded:wait()

local Orb = Instance.new("Part", Character)
Orb.Name = "Orb"
Orb.Shape = Enum.PartType.Ball
Orb.CanCollide = false
Orb.BrickColor = BrickColor.new("Bright green")
Orb.Transparency = 0.25
Orb.Size = Vector3.new(2, 2, 2)
Orb.TopSurface = Enum.SurfaceType.Smooth
Orb.BottomSurface = Enum.SurfaceType.Smooth

local BodyPosition = Instance.new("BodyPosition", Orb)

while wait(0) do
    BodyPosition.Position = Character.Head.CFrame:pointToWorldSpace(Vector3.new(2, 1, 0))
end