Delete and Create Sparkler

function clearSprite(self, event)

    if event.phase == 'end' then
        local group = self.parent
        self:removeSelf()
        if group.numChildren < 1 then
            group:removeSelf()
        end
    end

end

function statsSparkle(sparklePower)
    sparkler = {}
    myFXGroup2 = display.newGroup()
    myFXGroup2.isVisible = true

    if sparklePower >= 40 then
        sparklePower = 40
    end

    for i= 1, sparklePower do
        print ("THIS IS THE SPARKLE POWER: " .. sparklePower)
        sparkler[i] = spritefactory:newSpriteGroup("Sparkle")
        local Xmin = ( ((sparklePower * 2))* (-1) ) + (150)
        print ("XMIN" .. Xmin)

        local Xmax = ((sparklePower * 2) + 170)
        print ("XMAX" .. Xmax)

        sparkler[i].x = math.random ( Xmin,  Xmax)
        sparkler[i].y = math.random (430,460)
        --myFXGroup
        sparkler[i].sprite = clearSprite
        sparkler[i]:addEventListener("sprite", sparkler[i])

        timer.performWithDelay(math.random(sparklePower * 50), function() if sparkler[i] ~=nil then sparkler[i]:play() end;end)
        myFXGroup2:insert(sparkler[i])
    end
    screenGroup:insert( myFXGroup2 )
end