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Science Museum Strength Ball.

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Science Museum Strength Ball.

270/2784
  • £7.99
  • Delivery usually 2 working days subject to stock.Delivery usually 2 working days subject to stock.
  • Can be reserved for store pick up, subject to stockCan be reserved for store pick up, subject to stock

Details

  • The most enjoyable way to exercise and strengthen your hand-grip and forearm.

  • Switch on the LCD Revometer, and using the pull cord provided, spin the internal gyro.

  • The test is to see how many revs you can build by spinning your wrist - 5,000 or 10,000?

  • As the revs build so does the torque, making it a real challenge to control.

  • Batteries included.

Alternatives

    • more details on Giant Retro Space Hopper.

    • Giant Retro Space Hopper.

       270/2856
    • £14.99

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