Step 1: Parts
3 LEDS (same color), bic pen, pill bottle, 9v battery (not in pic), 9v clip, little switch,1k resistor
Step 2: Solder leds
solder the leds (+too+) (-too-) add longer leads at the end
Step 3: Add the switch
add the switch to the positive of the leds and 9v clip and put the cathode(- of the led) to the - part of the 9v
Step 4: Done/ diagram
put it all in the bottle and your done!!!!!!