This depends on what your fitness goals are. Dumbbells are ideal for most exercises and let you target almost any part of your body. They’re great for all ages and experience levels, and help you build both strength and endurance. Barbells and kettlebells are more designed for those who wish to focus on strength training and target specific areas. They let you incorporate leg muscle-building exercises, like squats, deadlifts, and kettlebell swings into your workout routine. While other weight sets only have dumbbells, weight plates, or kettlebells, the SmartBell Gym doesn’t have this problem. You can construct whichever piece of workout equipment you need for your plan in just a few easy steps. No matter what your fitness goals are, the SmartBell Gym has everything you need to reach them in no time.