Since I've found myself adding new threads for Bibles every few days lately, I've decided to just create one thread and add to it.
Zondervan has two kids' Bibles on sale for $3.99:
NIrV Kids Quest Study Bible (normally $10.99):
Amazon
B&N
Kobo
Adventure Bible for Early Readers (normally $14.99):
Amazon
B&N
Kobo
Both of these are the New International Reader's Version (NIrV) which at a third-grade reading level and is marketed for early readers and those for whom English is a second language. A no-frills edition is also available for the (not sale) price of $4.99.
Amazon
B&N
Kobo