Our mission is to give your bricks new vitality, bring shine to your brick world. The Led lights are all handmade and use environment friendly material. This is a high-quality and fantastic item. Being Lego fans and after the building bricks build together, we watched them lose brightness in the darkness, thus they motivated our inspiration to make them shine so that we had lightailing led light.product includeButton battery box *1 (not including battery)USB power cord*1Warm white 30cm lamp pellet*5Warm white 15cm lamp pellet *15Warm white 15cm headlight pellets*2Warm white 30cm headlight pellets*1Warm white light bar*7Colorful background lights*25cm cable*315cm cable*730cm cable*250cm cable *3Remote control + remote control module*1Some accessoriesTips： you should test the product to see if it works properly, and power supply should be less than 5v to avoid burning.The product is compatible with any major brand bricks and it is easy to install but you have to be careful when you do this.The led light can make the building blocks toys shine in an instant, and it means that it gives them brightness in the dark.Not only does the led light give us visual appreciation, but make us feel the beauty of led light for building blocks.It is the existence of led light that gives building blocks new life and brings them new vitality.The warm light makes the building blocks sparkle and stir the heart.