Thumb Score: +8 Amazon [amazon.com] has 12-Pack Franklin Official Size Ping Pong Balls on sale for $2.09 - 5% when you check out via Subscribe & Save = $1.99. Shipping is free w/ Prime or on $35+. Product Description from Amazon[list][*]These table tennis balls are carefully constructed according to official 40mm and 2.7 g size and weight measurements[*]These table tennis balls are built to last so you can keep the game going without worrying about cracks or dents