(Paperback)

Suitable for children of ages 9 years and over, this guide helps kids in constructing racing cars with the basics of rubber bands, cardboard, and glue. It also helps them to learn how to build a basic racer and how to make modifications such as aluminium foil axle bearings, steering mechanisms, hinges, cam shafts, and wheels made out of old CDs.

(Paperback)

Offers helpful hints on soldering, wire wrapping, and multimeter use pair with step-by-step details and circuit diagrams to show garage electricians how to build projects such as a no-battery electric car toy and a flashlight that only needs minutes of charging to shine for 24 hours.