From the announcement:
June 1 - 15, 2013 - 15% discount off our entire Celtic line of products.
There are many items to choose from – Huts, Roundhouse, Celtic Well, Firepit, Blacksmith,Barn or even the complete Celtic Fort.
The discount on the complete Forts ranges from $35 USD to $40 USD …. quite a savings!
For further information and pricing, see our site