They're the largest eggs laid by a bird. You will need a chisel and hammer or possibly a drill to interrupt the shell. 1 Ostrich egg is close to equivalent to a dozen and a 50 % hen eggs. Try working with an Ostrich Egg https://esmeeqkza762151.wssblogs.com/29227824/5-easy-facts-about-how-much-is-a-fertile-ostrich-egg-described