The mind boggles at what some Jewish children are taught. Take a look at this blog from Rationalist Judaism (Rabbi Natan Slifkin).

His six-year-old was told by his school teacher that the fourth plague on the Egyptians not only included lions and tigers but also “dangerous humanoids that are attached to the ground, like a vegetable, by a cord emerging from their navel (and which were able to come because God brought the entire patch of ground that they were on), as well as giant octopuses which broke through the roofs of the Egyptians' houses and unlocked their doors from the inside.”