Weaber 1/2 in. x 3 in. x 4 ft. Hobby Board Kiln Dried S4S Oak Board (20-Piece) 27181 - The Home Depot
Amazon.com: JAPCHET 100 Pack 12 x 1/2 x 1/2 Inch Square Wooden Dowels, Unfinished Natural Long Wood Strips Square Sticks Hardwood Dowel Rod for Model Making, Decorations, DIY and Craft Projects
2-1/2" Thick Wood Stair Treads - Made in USA - Kinzel Wood Products
Amazon.com: Balsa Wood Sticks 1/2 Inch Square Dowels 12" Long - Pack of 15 by Craftiff (15 Pcs)
Red Oak 1/2" Thin Lumber - Woodworkers Source
1/2" Thick Marine Teak Lumber | 1/2" To 6" W - 1' To 6" L | Custom Cuts