Press the first keys on each block (like A for A/B) to grab associated block, then press the second key (B for A/B) to place it where your mouse is, you can also drag the block. press the block's arrow keys (it says which block has what key above the letters) to change the color. THERE IS NO SATURATION OPTIONS! IT IS ONLY RAINBOW COLORS SO NO BLACK OR WHITE OR BROWN OR ANYTHING LIKE THAT
i came up with this while eating rainbow goldfish crackers and listening to music
