From the update:
They add the a new building Dragon Dojo!
It will be free to all Magnificent Village pledges and for a limited number $40 then goes up to $60. It will include the weapon rack and weapons.
Also more stretch goals announced:
$30,000, every pledge of at least $40 will get a *FREE* Hwacha!
$35,000 we'll also unlock a smaller temple model and several variations of "peasant cottages" at various price points.
$40,000 new color combinations - this will allow you to choose one of several color schemes for the Ronin house, Temple and Pagoda.