This bowling set provides realistic action on any hard surface, indoors or out, for your recreational programs. Regulation-size poly pins can be weighted at the bottom with sand. They are easy to set up and wind-resistant during outside play. The hollow rubber ball is safe on all floors. The 2-1/2-lb. ball has a 2-finger span. Includes 10 regulation size (15″H) weighted pins, plastic setup sheet, score pad of 100 score sheets, and 2-1/2-lb. ball. Ball color may vary.