http://lowvoltagelabs.com/products/flashligh-kit/

Step 1 - Check that all the parts were included with the kit

Step 2 - Install the battery holder with the opening to the left

Step 3 - Install push button S1 into the PCB

Step 4 - Fold the leads of the resistor over before installing into the PCB

Step 5 - Install resistor R1. Fold the leads over on the back.

Step 6 - Assemble the LED and right angle LED holder

Step 7 - Insert the LED into the LED holder so that the longer lead

Step 100 - Flip over the PCB and solder the parts

Step 101 - Install a 2032 battery with the positive side up

Step 10 - Turn on the switch and watch the LEDs flash