We claim: 1. A collapsible tower, comprising: a plurality of stackable rectangular cuboid building blocks, wherein the length of each said building block is slightly longer than three times its width, and the color of each said building block is selected from a group consisting of three different colors, a six-sided die with corresponding colors painted on each side, each color painted on two sides, and a box to store the blocks and the die. 2. The collapsible tower according to claim 1, wherein the building blocks are stacked in perpendicularly alternating layers, wherein each of said layers consists of three of said building blocks arranged to compose a square. 3. A stacking cuboid block tower with a plurality of colored cuboid game pieces stacked in in layers according to claim 2, wherein the color rolled on the die determines the color of the cuboid block that must be removed from any layer except for the top layer and placed on the top of the tower. 4. A method of playing a game comprising the steps of: assembling a plurality of stackable rectangular cuboid building blocks into a collapsible tower, wherein … rolling a six-sided die, wherein the sides of said die are indicative of the colors of said building blocks; removing a building block by the player who built the tower of the color indicated by the die; returning the removed one block to the assembled tower above the highest completed layer; repeating the steps of rolling the die and removing and replacing blocks based on other players’ designated color until the tower falls. 5. A means for teaching color 6. The method according to claim 5 for teaching color to children 7. The method according to claim 5 for teaching color to the previously blind 8. The method according to claim 6 for teaching color to children under the age of 6. 9. The method according to claim 4 wherein the players roll the die to determine which color of cuboid blocks they will be removing and replacing. 10. The method according to claim 4 wherein the removed building block is taken from a layer below the highest layer of the tower. We claim: 1. A collapsible tower, comprising a plurality of layers of stackable building blocks, wherein each stackable building block is associated with one of a plurality of colors. 2. The collapsible tower according to claim 1, wherein each layer includes a predetermined maximum number of the plurality of stackable building blocks. 3. The collapsible tower according to claim 2, wherein the total width of the predetermined maximum number of blocks is less than the length of one block. 4. A means for selecting a stackable building block, utilizing a die, wherein the colors on the die correspond to the plurality of colors associated with the stackable building blocks. 5. A method of playing a game, comprising: building a tower of stackable building blocks; rolling a die, containing a plurality of colors representative of the colors of said stackable building blocks, wherein said rolling results in the selection of one of said plurality of colors; selecting the stackable building block corresponding to the selected color; removing the selected stackable building block; stacking the stackable building block on a top surface of the tower of stackable building blocks; repeating the rolling, selecting, removing, and stacking steps until the tower collapses.