At head of title: DK Smithsonian

Foreword -- Staying safe -- Toolobx -- Components -- Skills -- Electric circuits -- Bread boards -- Troubleshooting -- Coin battery -- Motor -- Generator -- Handheld fan -- Matchbox microphone -- Bugbot -- Electromagnetic crane -- Door alarm -- Infinity mirror -- AM radio -- Buzzer game -- Breadboard car -- Remote-controlled snake -- Circuit organ -- Bottle boat -- Pipe stereo -- Ferrous metal sensor -- Automatic night-light -- Circuit diagrams

Are you a budding scientist, engineer, or inventor? Tech lab unlocks your inner maker through 18 amazing step-by-step projects, from an automatic night-light to your own remote-control snake!

Includes index

IG1020L