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Amazon.com: Lobster Sports – Elite Grand Five LE – Battery Powered Tennis Ball Machine – Custom Drills – 12 Player Style Drills – 2-Line Narrow, Med & Wide – Fully Random Oscillation – 150 Balls – 44 lb : Everything Else
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Amazon.com : Slinger Portable Tennis Ball Launcher - Ball Thrower Machine with Multi-Function Tennis Racket Bag & Ball Basket - Remote - Grand Slam Pack Comes w/Oscillator, Telescopic Ball Tube and Camera
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Amazon.com : Nisplay Portable Tennis Ball Machine (26lbs) - Dual Motor for TopSpin and Backspin, 80+ Balls, Max 68MPH, 4+ Hours Play with External Lithium Battery (Ball Machine + Oscillator Combo) : Sports & Outdoors
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