Here's the tricky part about attaching the battery holder. One side needs to open so you can replace the battery.

u05x6a8.jpg?1

But the On/Off switch is on the other side.

0RHOane.png?1

So the solution that I recommend is to glue the battery holder down in a spot where the switch still extends past the chassis a bit. That way you can still replace the battery and turn the battery on and off.

hlyJ2qN.jpg?1

Next Step: Connecting the Power