CHILDREN'S MINISTRY MATERIALS:
Der Gute Botschaft Verlag is a ministry with Bibles, Christian books, tracts, and flyers in 90 languages. They provide their literature free of charge "in limited quantities for distribution at bookstalls, refugee camps, markets, retirement homes, hospitals, prisons, etc." They ask for those interested in larger quantities to contact them.
Bible Games Central is all about conveying Bible truths through fun and captivating activities. Their website contains free games with printable downloads for all ages. All games include Bible learning points, recommended Scripture passages and discussion questions. They also have recently created high quality games available for purchase.
Let The Little Children Come provides unique child evangelism resources designed to capture and hold the attention of children, while not distracting them from the core message of salvation through Jesus Christ. There are quite a few free resources on the website and many evangelism products available to purchase, including some tracts in Spanish and Chinese. All products have free shipping worldwide.
BOOKS:
God's Heart for Children: Practical Theology from Global Perspectives edited by Rosalind Tan, Nativity Petallar, Lucy Hefford