2. Materials
You will need:
*9v battery * wire strippers
*light *wire cutters
*Wires
*switch
*solder with soldering iron
*long paper roll
*Scissors and tape
3. How to construct
Solder wires to light
Solder end of the wires to switch
Solder other pair of wires to switch
Put wires on battery
Tap button to turn on/off
Solder wires to light
Solder end of the wires to switch
Solder other pair of wires to switch
Put wires on battery
Glue light in cardboard roll and switch
4. If you're finished
If you want to make more stuff like this click the link
http://www.wikihow.com/Make-a-Simple-Electrical-Circuit