#67 Grid: Multiplication towers
Grid: Multiplication towers
Prepare several colors of blocks, and a grid. The first row will have towers made out of one, two, three and so on blocks of the same color, for example, green. The second row will have towers made of one green, one red; two green, two red; three green, three red blocks and so on. In the third row, there will be three colors in each cell. For example, the tower in the third cell of the third row will have nine blocks.
