demigod plus quicksilver: philosiphers stone
You can obtain the Philosopher's Stone on Howrse by participating in special events or by purchasing it with coins or passes in the game's store. There may also be opportunities to win the Philosopher's Stone as a prize in competitions or promotions.
Harry Potter and the Philosiphers stone
It's not possible to acquire the Philosopher's Stone for free on Howrse, as it is a premium currency item that usually needs to be purchased using real money or earned through in-game activities like competitions or events.
Harry Potter and the Scorcerers Stone. (Philosiphers Stone in some areas)
Howrse no longer does codes.
There are no more codes for Howrse anymore because of everyone getting into them. Sorry!
read book 3 to find out it is the PHILOSIPHERS STONE
There are no current card codes for Howrse.
I don't really know but i do know that you can buy and sell horses for passes and e's!!
There are no current card codes for Howrse. Usually you enter them at profile > my cards, or at the bottom of the passes page.
There are currently no available promotional codes for Howrse.