Make the first landing pad "blink" when a correct spaceship has landed. If the current color is blue and the "next" color should be green --> then when the blue spaceship has landed, make the landingpad blink green when the "next" colors switch to be the "current" color.
Make the first landing pad "blink" when a correct spaceship has landed. If the current color is blue and the "next" color should be green --> then when the blue spaceship has landed, make the landingpad blink green when the "next" colors switch to be the "current" color.