I have also tried using this resource. It was definatley not a good fit for us, and after a few weeks I put it aside. It was not engaging and it felt very scripted. For example each lesson has a section called Prayer and for Lesson 14 this is what is says under Prayer:
Prayer
(When we pray to God, we call to Him and He hears us. Shall we pray to Him now?)
Oh God, our Father in heaven, we are so glad that we can call Thee by name. We know Thou wilt hear us. Bless us dear Lord; and help us to honor Thy holy name. Amen
I certainly don’t want my kids to think that they have to pray with fancy words such as Thee, wilt, Thy and Thou!
I second Rebeka’s suggestion. We really enjoy reading A Child’s Story Bible by Catherin Vos.