Get your kids to discover the flavors of the world with ginger, curry, coriander, ginseng and other exotic spices that will awaken their taste buds and pique their curiosity for different cuisines. Have them help you prepare the meals—they'll be more likely to try new dishes if they had a hand in making them. Plus, these kinds of spices are effective in boosting the immune system, which will help them fight off common viral illnesses.