Led question
 

I am wanting to put in headlights tail light and undercarriage lights can i put this many lights and hook them all to one 3v bat? there will need to be 4 or so leds atleast under the car then 4 more for lights. i dont think there is a place for 2 bats

You can get slim light cells, they are li-ion cells, and are usually used in car alarm keyfobs, or watches, have a look down you local shop that sells batteries.

Make sure that u connect the LEDS in parallel!

Sorted!