How To Make Simple Birds Cage - Make your Birds Happy DIY ( Creative Ideas ) This is my instruction on constructing a large bird cage or small bird aviary, I have two zebra finch that i bought at pet supermaket for about 13 dollars each. building the bird cage i spent about $33 dollars and accessories about $10 dollars . The kind of wood used here is 1 x 2 x 10ft ( 4) , a 3ft x 6ft plywood , and 10ft of squared chicken fence wire.