AA To USB Battery Box

Connect this to the AAA battery box or USB plug to increase the amount of LED’s that you can run by 10. Add more expansion bricks to add 10 more lights at a time up to 50!
Comes with a 40cm extension lead to allow you to get your lights further into your MOC. Note that the extension lead is male to male connectors and is only of use when connected from a power source into the expansion brick.

The Cr2032 Battery box requires 2 CR2032 batteries is intended for use with a limited amount of LEDs or when space is a premium. The battery compartment is just under 4×4 Studs wide and 5 plates in height allowing it to be easily hidden.

Pressing the on button will turn it on, a second press will make the LEDs flash and a third press will turn it off.

While this can be used with 1×4 plates and larger battery life will be reduced.

Use your Lego Power Functions box to power your Glow Bricks lights using the compatible plug with 4 leads.