When it comes to choosing fruits and vegetables for your kids, follow this general rule: the darker the color, the better...Here are the main sources of essential vit and minerals for kids in the form of fruits and vegetables.. Remember they might not the best source like for eg.. milk is the best source for calcium in kids.... but they contribute towards the same...

For calcium
Broccoli, Cherries, Figs, Kiwifruit, Oranges, Plums, Spinach 

For iron
Spinach,Beet root, Dried apricots, sprouts, Lima beans, Nuts, dates..

For vitamin A
Apricots (fresh and dried),  Cantaloupe, Carrots,  Lettuce (Mangoes, Pumpkin , Spinach, Sweet Potatoes, Tomatoes, Watermelon

For vitamin B1
Asparagus, Beans, channa, Corn, Peas , Pineapple 

For vitamin B2
Beet root, Broccoli, Mushrooms, Peas, Spinach 

For vitamin B3
Dates, Mushrooms, Potatoes, Nuts

For folic acid/vitamin B9
Avocados, Bananas, Beets,capsicum, Cabbage, Cantaloupe, Cauliflower,  Corn, beans, Lettuce ,Oranges, Orange juice, Papayas, Raspberries, Spinach, Strawberries, Sweet potatoes, Watermelon.

For vitamin C
capsicum, Broccoli, Cabbage, Cauliflower, Chile peppers, Guava, Honeydew, Amla, Lemons, Limes, Oranges, Orange juice, Papayas, Pineapple, Raspberries, Spinach, Strawberries, Sweet potatoes, Tomatoes, Watermelon..

For vitamin D
Mushrooms 

For vitamin E
Avocados, Blackberries, Corn, Dark green leafy vegetables, Mangoes,  Soyabeans, Spinach, Sweet potatoes, Nuts 

For vitamin K
Cabbage, Cauliflower, Dark green leafy vegetables, Soyabeans, Spinach 

For fiber
corn , Apples, Pears, Bananas, Blackberries, Blueberries, Sprouts, beans,cabbage, Dates, Figs, Onions, Oranges, Peas,  Pumpkin , lauki, snake gourd, Spinach, Sweet potatoes.. 

For potassium
Dried apricots, Bananas, Broccoli, Cherries, Pomegranates, Baked potatoes (with skins), Cooked spinach, Yam

For magnesium
Spinach