Propellers, Pulleys and Gears
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Pulleys
From £2.51
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Gears
From £3.16
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Steel Springs
£12.99
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Motor Clips
£4.74
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Motors
From £10.74
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Pulley Wheels Classpack
£20.52
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Wooden Cams
£17.67
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Spring Balances
£25.29