LIGHTAILING LED KIT (Friends Friendship House) Light Set Building Blocks Model

USAGE: The Light Set is used to light up Friends Friendship House set no 41340 (Does NOT include the Lego Set).

PRODUCT FEATURE: The Light kit contains 1 USB Light kit, Instruction guide, battery box. Plug in power, and light up your building blocks with our amazing design!

Batteries not included :)  

TIPS: Prepare three AA Batteries, or USB Charger and Voltage should be less than 5V to avoid burning.