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Science Museum Strength Ball £6.66 at Argos
Science Museum Strength Ball £6.66 at Argos

Science Museum Strength Ball £6.66 at Argos

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Science Museum Strength Ball £6.66

# 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.
# How many revs can you build by spinning your wrists? The record stands at over 14,000 RPM.
# As the revs build so does the torque, making it a real challenge to control.
# Batteries required: 2 x LR41.
# Suitable for ages 10 years and over.

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