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Preteen kids training with dumbbells and step platforms

Kids using step platforms while doing push-up exercise

Cropped view of kids standing on step platforms and holding dumbbells

Adorable kids standing on step platforms in gym

Cropped image of sportspeople doing exercise on step platforms at gym

Children doing plank exercise with step platforms

Group of kids with dumbbells holding hands up

Picture of people doing cardio training on treadmill in gym

Kids warming up before training in gym

Children using smartphone while sitting on fitness balls

Group of kids stretching in gym together

Amazed kids with smartphone sitting on fitness balls

Active preteen children training with step platforms

Cropped view of kids training with dumbbells

Cute children training with colorful dumbbells

Curvy girl exercising on step platform in gym