Eggs of iguana are approximately 1.5" by 1" oval shape. They do not have those hard calcium shell like you see in chicken eggs. They are very soft and delicate especially right after oviposition, so be careful when handling.
Right after laying, eggs should be removed carefully and set them in the incubator. You should not turn the eggs. Incubator can be made easily as follows.


If you are lucky, you will meet your extremely cute babies!