AAA Rainbow Cake Mediums - 25% THC The flavor follows the same profile, with a sweet fruity rainbow cake taste accented by touches of sour citrus and fresh berries. The Rainbow Cake high is just as mouthwatering, with a euphoric overtone that will have you feeling lifted for hours on end. The effects come on with a creeping build, filling your brain with an uplifted happiness that edges out any negative or racing thoughts. You'll feel giddy and without a care in the world as your body begins to slip away into a deeply relaxing state of pure ease.