Check out trypraying.org for a 7 Day Prayer Guide. You can find a youth version at tryprayingyouth.org and a children's workbook at https://tinyurl.com/7DayKidsPrayer 

Our Churches Commitment prayer is:

Thank you, God our Creator, for inviting me into your family.
I believe Jesus is who He said He is: the Son of God from the beginning.
I believe Jesus was crucified and died for my sin.
I believe You raised Him to life again to show he is your Son.
I commit to You as the Lord of my life, seeking to live as the Spirit guides and empowers me.
Thank you, Heavenly Father, for making me your child

The following sermons explain what we mean by each line of our commitment prayer.