when you decided to make a game, how could you make every stage\'s environment or map?

suppose you are going to make a ALKANOID game. there are a lot of blocks at the top of screen and they consist of many kinds of blocks such as a item-possessing block, just-normal block and bomb block.
each stage has a different arangement of those blocks and this block arrangement may be different from every stage.
so, what if you are going to make all of this arrangement of blocks using Array,List or Map for every stages? you have to make a 2x2 Array and store block informaiton structure for every elements in the Array so that each elements in the Array can represent corresponding block. 
you can just use this method. but it may be exhausting because there are no visualizations of the map you are working in.
therefore, it is necessary to make a map tool. the best benefit of using map tool is that it visualizes the map you are working in.
you just select the block and put it at desired position. there is no need to care about the 2x2 array because it is working internally.
then, how can we make the map tool? this is for nextime :) see you.