Available at the Edmonds Art Studio Tour, Sept 15 & 16th, 10am-5pm each day. Get more info and a map here.
There are three sizes this year:
10x10-inch (opens up to 20-inches high) for $30
8x8-inch version (opens up to 16-inches high) for $25
6x6-inch version (opens up to 12-inches high) for $20