You might have heard of alphabet color pages that are used to teach preschool kids and toddlers. They are taught alphabets and relate them with their surroundings. Similarly the Biblical coloring pages are there too for getting direct print from your computer and show them to your children. The world of web has been really delightful in these matters. You can find ready made color pages in hundreds of styles and colors that also contain Biblical themes, stories like Noah's Ark, the Whale, miracles of Jesus, about the birth of baby Jesus, Mother Mary, Easter, Gift of Magi and alike. The use of these coloring sheets is perfect to teach preschool children the values and morals of Christianity, the true meaning of religion and how to become pious.
You can find hundreds of such useful coloring pages with biblical themes, alphabetical games and more variations for preschool kids. However mind that you would need good configuration of system and good printer quality with perfect cartridge for fine print quality. Also make sure that you command the fine print or best print for your printer while printing the biblical pages for best results and perfect line drawing.