You are going to need a lot of blocks for this build so you should better get to farming. As for the blocks themselves, you can pretty much use anything. Cobblestone and Wood are the most common ...

All you need is flint, a feather, and a stick You'll need flint, sticks, and feathers to make arrows. A flint on top, a stick in the middle, and a feather at the bottom on a crafting table will net ...