Amazon.com: 12 Pack 11.8 × 11.8 Inch Basswood Sheets Thin Wood Sheets Plywood Board Basswood Sheets 1/8 inch Square Unfinished Wood Boards for Crafts, DIY Project, Mini House Building Architectural Model Making
Thin Balsa Wood Sheets 1mm Thickness, 10Pcs Wooden Plate Model Craft for DIY House Ship Aircraft Boat 1 X 100 X 500mm
1/8 in. x 1 ft. x 2 ft. Balsam Fir Project Wood Craft Plywood HDB5306 - The Home Depot