local part = script.Parent

part.Anchored = true

local function explode()

    part.BrickColor = BrickColor.new("Really red")

    wait(2)

    local explosion = Instance.new('Explosion')

    explosion.Parent = game.Workspace

    explosion.Position = part.Position

    part.BrickColor = BrickColor.new("Medium stone grey")

end

part.Touched:Connect(explode)

local function explodePart(part)

    if part.BrickColor == BrickColor.Red() then

        local explosion = Instance.new("Explosion")

        explosion.Position = part.Position

        explosion.Parent = game.Workspace

        part.BrickColor = BrickColor.White()

    else

        local number = math.random(1,3)

        if number == 1 then

            part.BrickColor = BrickColor.Red()

        end

    end 

end

local children = game.Workspace:GetChildren()

while true do

    for _, child in ipairs(children) do

        if child.Name == "ExplosionPart" then

            explodePart(child)

        end

    end

    wait(1)

end