This is an electronic kit. Buyers need tobe proficient in using soldering irons. Buyers need to prepare soldering ironsand solder wires by themselves.Buyers only need to solder 512 LEDsaccording to the installation instructions to complete the installation work,and then plug in the 5V power adapter to run.In order to make it easier for buyers toinstall successfully, we provide paper installation instructions and videoinstallation instructions. Buyers can also email us when they encounterproblems that they don’t understandduring installation. We have professional technicians to answer technicalquestions.In order to make it easier for buyers toinstall successfully, we provide spare LEDs, each of which has 26 spares.In order to make it easier for buyers toinstall successfully, we soldered the motherboard and did a detailed test onthe motherboard. Users only need to solder the lights, which is much lessdifficult.Of course, in addition to practicingwelding, buyers can also modify the displayed content by themselves to get thetext or graphics they want to display. We provide animated 3D files that buyerscan modify on the basis of our original animations. We can also help buyersmodify the displayed content. After the modification is completed, we will sendthe modified file to the buyer, and the buyer can run the customized content bydownloading it to the motherboard.The accessories included in the kit are:Motherboard x1Blue LED x250 (only use 224)Green LED x170 (only use 144)Red LED x170 (only 144 is used)Wire x1Iron wire x1 (for fixing the light cube, itis not a solder wire)Plastic strip x1 (for bending LED anode)USB power cord x1Program downloader + Dupont line x1