Glass bridge

-- pobieranie wszystkich obiektów z grupy
local bridge = script.Parent:GetChildren() 

while true do
    for i=1,4 do
        -- wybieranie losowej platformy z tablicy
        local platform = bridge[math.random(1, #bridge)]
        if platform:IsA('Part') then													
            platform.CanCollide = false
            platform.BrickColor = BrickColor.Red()
        end
    end
    wait(10)
    for i=1, #bridge do
        if bridge[i]:IsA('Part') then												
            bridge[i].CanCollide = true
            bridge[i].BrickColor = BrickColor.Gray()
        end
    end
end