s = 100.100
for i,j in pairs(game.Workspace:GetChildren()) do
if j:findFirstChild("Head") ~= nil then
if j.Head:findFirstChild("Mesh") ~= nil then
j.Head.Mesh.Scale = Vector3.new(s,s,s)
end end end

-- S is the scale of everyone's heads. 1.25 is the default.