DIY Science Kit of A No-Friction Bicycle Light Dynamo (Generator)
New plastic parts and new circuit for this DIY kit (P1K) is availeble from 18 Oct 2008. Click here for pictured instructions. New version of DIY kit has 4 front white LEDs, reflacting surface on plastic parts.
A educational kit for investigating electrical generator in schools and colleges.
Or just build a no-satndby version of this dynamo system (P1) for your bike.
Low cost and easy to be made.
Price: £9.00 (UK pound)
If you need access instructions of a old version of DIY kit, Click here