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Picture of Shake-It Flashlight
Did you ever look at those 100$ shake it flashlights and feel envious?Well here's an easy way to make it!!!

Step 1: Parts

Picture of Parts
The required parts are-
1.Cardboard tube
2.5 diodes
3. Magnet wire
4. Foam 
5. LED
6.Capacitor
7. Wire 
8. Convex lens
9. Hot glue
 If a joule thief is wanted then-
10. 2N3904 Transistor or equivalent
11. 1k Resistor (Brown-Black-Red)
12. Toroid Bead
 
chandrahas aroori (author) 2 years ago
Sounds great!
rimar20002 years ago
Good instructable!

What if you add two soft springs? One at each end, to prevent the magnet hits the cylinder ends. You would have the advantage of avoiding the magnet goes out of the zone of the coil.

As a bonus, you can produce "resonance" if you're lucky.