Kids in Discipleship
"Kids in Discipleship - a ministry offered in local churches, is specially designed for families and is focused on children. The K.I.D. mission is Mentoring kids to be empowered disciples of Jesus NOW!" This is an Adventist site.

My Place with Jesus
"My Place With Jesus is a series of Internet based, interactive Bible studies just for kids! These 14 studies take the child through many of the basic themes of the Christian faith. The lessons cover such topics as Creation, the Trinity and Heaven. These Bible lessons are designed primarily for children aged 7 – 12. However, with your help, much younger children will benefit from and enjoy the lessons also. This makes these lessons a valuable resource for multi-grade classrooms." Sponsored by It Is Written.

The Bible App for Kids
This YouVersion free app for both iOS and Android mobile devices engages kids with Bible stories, various activities, and more.