The way I see it, all you need to plant a church is bricks - any size, any shape, possibly some mortar if it's available, and of course, some scaffolding for the hard to reach places!
Actually, we take very seriously the fact that the Church is a body of believers who gather together for worship and community. The church building itself is a bonus. In the rural villages in Africa, people gather for "church" in empty fields, under trees, in front yards or backyards or in the town square or at the top of a hill or in a banana grove...whatever location is within walking distance of "the church" is where they meet.
This is "the church" our team planted. It meets in this grassy green field, right next to the water spigots for the village.