Kits that have a number of constructional challenges - not just an easy to build kit.
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Knocker Kit
£8.00 (inc VAT)
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8 cell Battery Pack for AA cells or rechargables - 12V
£1.80 (inc VAT)
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Electronic Dice Kit
£5.00 (inc VAT)
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Mini Van De Graaff Generator kit - 40,000V of sparky fun.
£15.00 – £20.00 (inc VAT)
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Solenoid Engine Flywheel Weights for smooth running
£1.00 (inc VAT)