It shouldn't be expensive to teach the Word of God. This series keeps costs down in a number of ways. Use it over and over again. No student books and teacher guides to purchase every three months.
Activities require only pencil, crayons, and a teachable spirit.
No expensive craft materials to buy. I have started teaching with the Gifts of the Holy Spirit lessons. This series is very good. The children at our church are growing spiritually. It is truly for today's kids.