Q: When young, I am sweet in the midday sun. In my middle-aged years, I bring you joy, not tears. When old, my value is almost as gold. What am I?
A: Wine.

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Q: A skin have I, more eyes than one. I can be very nice when I am done. What am I?
A: A potato.

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Q: Why does Santa spend so much time in the garden?
A: He likes to Ho! Ho! Ho!

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The above riddles are in the 501 Riotuos Riddles book. Buy it to see all 501 riddles for kids with 501 answers and some illustrations.