At what age is it appropriate to tell your children the truth about Santa, easter bunny, tooth fairy etc?

I'm contemplating telling my young son the truth about all of these, and was just looking for opinions of others. I told my daughter the truth around the same age, and everything worked out, and actually she already knew, but really didn't want me to confirm it at first. She thought it would take the fun... show more I'm contemplating telling my young son the truth about all of these, and was just looking for opinions of others. I told my daughter the truth around the same age, and everything worked out, and actually she already knew, but really didn't want me to confirm it at first. She thought it would take the fun out of it. Please get back to me soon.
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