Amazing Puzzle Game ,7 color rainbow blockes can be arbitrary; Pieces can be stacked in any combination DIY your lampSize:approx: 12X12X24 CM (4.72"x 4.72"x9.50" Inch)Material : PCQty of Bricks:76 PCSBright, neon magic-cube design3-level Dimmable Touch Switch LED LampPower by USB Or 3 pcs AA Battery (Not included)5V Low voltage , very safe for your kids.Package Includes:1 x LED Building Blocks Light