Grand Slam U.S.A. in Malvern, PA offers over 30,000 square feet of indoor family fun and sports for all ages. Attractions include glow-in-the-dark mini golf, laser tag, batting cages, arcade games, a Gaga pit, and a family game room with awesome prizes. Grand Slam also hosts birthday parties, corporate events, team outings, school trips, and more. A leader in baseball and softball training for over 40 years, Grand Slam provides top-notch coaching and indoor practice space rentals. Whether you’re here for fun or fitness, Grand Slam U.S.A. is your year-round destination for action and excitement..