Ana's Cart

It is a cart that can shrink and grow at the will of the user. It drives itself, also at the will of said user. And, it has access to a pocket dimension that is the interior of a mansion that has one room dedicated to the interest of every member in the party (they can decorate it to what they want). It actively expands as the party is added. The cart is made of ironwood. It is called Ana's Cart.

Upon destruction, the cart opens a portal to a random location on the Astral Plane.