To replace the OYO Personal Gym you would need 5 Dumbbells or

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NYTRYD Folding Puller,10lbs Portable All-Round Fitness Equipment,Upgraded Version, Personal Gym,Adjustable Weights Home Gym : : Sports, Fitness & Outdoors

Ativafit Adjustable Dumbbell 71.5 Pound Fitness Dial Dumbbell with Handle and Weight Plate for Home Gym - 1 Piece

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Adjustable Dumbbell Fitness Dial Dumbbell with Handle and Weight Plate,Adjust Weight for Full Body Workout Fitness, Best Gift for Men and Women, Suit for Home Gym Note: Single (44 lbs), Dumbbells

GoZone Standard 14 Dumbbell Handles – Threaded Ends – Silver, Includes 2 dumbbell handles

RELIFE REBUILD YOUR LIFE 5 lb Hex Neoprene Dumbbells Set of 2 Non Slip Hand Weights for Women Bodybuilding Fitness

RELIFE SD Hexagon Dumbbell

OYO Personal Gym Total Body Package - The Novus Lab

OYO Personal Gym - Full Body Portable Gym: Home, Office or Travel - NASA SpiraFlex Resistance Technology : Sports & Outdoors