Cedar Summit SOLOWAVE DESIGN CORPcategoryName. Showing 1-1 of 1. List View . Cedar Summit Greystone Cottage Playhouse. 100% Premium Cedar . Find a great collection of Outdoor Playsets & Swing Sets at Costco. Enjoy low warehouse prices on name-brand Outdoor Playsets & Swing Sets products. Registration Costco UK. Wooden playhouse for sale : Wooden swingset with playhouse High qual, Custom Built Wooden Playhouse with Meta, Wooden . Solowave Stoney Creek Playhouse £324.99 (Costco) Storytime Cottage Cedar Kids Playhouse with Wooden Roof and Folding. › Customer reviews . This is a fantastic playhouse, but it’s $299 at Costco. 2011. 5. 14. – . around and reading reviews, we decided on the Cedar Summit Play Set from Costco. . It was starting to look like a playhouse at this point… 2014. 3. 2. – UPDATE 07/07/14: Spotted the Solowave Georgian Manor Playhouse priced at $149.97. SoloWave Geogian Playhouse Costco. PUBLISHED .