My kids, ages 6, 5, and 3, all love Jesus and have a ton of questions about him. They love to read stories about Jesus, but, of course, the Bible is a bit complicated for their age. Words to Dream On by Diane Stortz is a great Bible devotional book for my children. It's great because it covers some key Bible passages and paraphrases them into words that children can understand. The stories are told in an interesting way, combined with beautiful images, and there's a prayer to pray with your kids before you put them to sleep.
Words to Dream on gives our family the opportunity to study the Bible in a way that my children can understand and genuinely learn from.