[ku-] Koopa Troopa is [2] inside the [-(e)i] beach house by the bay where he is trying to make a 大 big 圭 brick, the type you see in Mario games. He spreads his leg to create a length of a 奎 stride. That is how 大 big the 圭 brick needs to be. Koopa Troopa starts working on it, compacting sand from outside into one big 奎 stride-length 圭 brick.