The Brilliant 3D Shimmering White Cube Kit uses 125 ultra bright 10,000MCD white LEDs that flash or shimmer depending on the hidden control setting. Operates from one 9V battery (not included) and uses 6 PC boards. The small one IC control board and 9V battery are located out of sight inside the 2.5" square cube. The light effects from this kit are amazing! The output is a brilliant strobe flash to a dazzling shimmering effect (depending on the control setting). This kit is time consuming to build and should not be attempted by anyone who has not built kits before. Assembling this kit requires good soldering skills, however you will be rewarded with a stunning display! Complete with all parts, 6 PC boards and instructions. Skill Level 3.