Malvern · indoor
Grand Slam USA (Malvern)
30,000 square feet of everything under one roof — glow-in-the-dark pirate mini golf, laser tag, arcade games, Nerf battle arena, bounce houses, ninja obstacle course, and batting cages. Better for kids 5 and up who can handle the sensory load. If it's raining and you need to burn three hours, this is your answer.
Updated 2026-05-24 · Kid Friendly Chesco editors
Grand Slam USA is the low-glamour, high-fun option for a rainy Chester County afternoon. The pirate-themed glow mini golf is the headline, but the real draw is the sheer density of activities — you can rotate through laser tag, arcade games, the Nerf arena, and bounce houses without ever going outside. Skews older than BounceU (most activities are best for 5+), and the energy is more chaotic than curated, which some kids love and some parents find exhausting. Six private party rooms if you're looking for a birthday venue.
- Address
- 11 E Lancaster Ave, Malvern, PA 19355
- Hours
- Mon–Fri 12p–8p, Sat 10a–8p, Sun 10a–5p
- Parking
- Parking on site in Malvern. Easy.
- Crowds
- Weekends are busy — arrive at opening if you want the mini golf without a long wait. Weekday afternoons are notably calmer and often less crowded for the same experience.
- Good for
- Kids, Tweens, Teens
- Type
- indoor
- Price
- $$$$
- Tags
- mini-golf, laser-tag, arcade, bounce-house, indoor-play, birthday-parties
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