Why would an imaginary Jesus hide for thousands of years not only from the “wise and understanding” but also from the ordinary Jews, Muslim and Pagans? Isn’t it a fact that only an evil, man-made idolatry would send the souls of those he was happily hiding from to hell?
7 Things Atheists Turn to When They Have Problems Without Resorting to God. Recovering From Religion., and the just-opening-up Apostasy Project. Their purpose: to provide guidance, practical resources, and personal support -- for people in the process of letting go of religious beliefs; for people who have already let go of their beliefs and are dealing with the effects of this change; and for people who have thoroughly left belief behind them, but fear being open about it.
Here is a better idea...don't. Leave them alone and don't destroy their thinking skills, minds, egos, and self esteem by teaching them that myths and lies are true. If you plan to abuse children this way, please don't even have them, you don't deserve them.