Tortoise is a symbol of good luck and it has a great significance in both Vastu Shastra and in Feng Shui. As tortoise is gifted with long life and therefore it describes Long Life in Vastu Shastra.
In Puranas, Lord Vishnu took the form of a tortoise to carry the weight of the mountain on his back during the Sagar Manthan; Lord Vishnu’s second avatar is Tortoise and is called a Kurma avatar.
These days you can find tortoise in all homes who believe in Vastu Shastra and in Feng Shui. They are made up of Metal, Resins, Brass, Mud, crystals or else Wood.
While placing a tortoise at your home or in your office, there are few Vastu rules which you should know and follow them and this can give you good benefits in your life.
for further more information read this article: Top 12 Feng Shui Golden tips/remedies for healthy and wealthy life | Vastu Shastra | VASTU DEKHO