4 inch Round Wooden Balls for Crafts, Bag of 2 Unfinished and Smooth Round Birch Hardwood Balls, and Wooden Spheres, by Woodpeckers - Walmart.com
Amazon.com: PH PandaHall 12pcs Large Wooden Balls 35/40/50mm Wood Balls Undrilled Wooden Beads Unfinished Natural Wooden Craft Ball for Christmas Tree Wreath Ornament DIY Projects Arts Craft Supplies : Everything Else
Amazon.com: 2-1/2 inch Wooden Balls, Bag of 2 Unfinished Natural Hardwood Wooden Balls for Crafts and DIY Projects (2-1/2 inch Birch Spheres) by Woodpeckers