We now offer free shipping on select orders of silkworm eggs, please follow this link to order and just choose free shipping at checkout. No ice box shipping is available with this option though, so order what you want to hatch.
http://www.coastalsilkworms.com/silkworm-eggs-shipped-free.html
http://www.coastalsilkworms.com/silkworm-eggs-shipped-free.html