The oversized LEGO Medium Stone Grey Storage Brick 4 is designed to stack, just like the original LEGO bricks. The LEGO Medium Stone Grey Storage Brick 4 measures about 9 3/4-inches long x 9 3/4-inches wide x 7-inches tall. Decorate, play, build, form and have fun with the boxes, or keep your toys sorted by using them for storage. Please note: LEGO bricks not included. Ages 3 and up.