When candy touches the snow, the sugar starts to dissolve and mix with the melting snow. Since sugar water has a lower freezing point than pure water, it stays liquid, spreading colored streaks through the snow and melting whatever it touches.
The sugar water even melts the snow beneath the candy, causing it to tunnel downward.
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The colored candy solution also spreads outward. Just as water soaks up paper towels, the candy water spreads up the spaces between the close-connected snow crystals, giving this snowman an orange halo around the eyes. Capillary action at work!
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