current_supported_blocks:

sand
red_sand
gravel
glass
white_stained_glass
orange_stained_glass
magenta_stained_glass
light_blue_stained_glass
yellow_stained_glass
lime_stained_glass
pink_stained_glass
gray_stained_glass
light_gray_stained_glass
cyan_stained_glass
purple_stained_glass
blue_stained_glass
brown_stained_glass
green_stained_glass
red_stained_glass
black_stained_glass
white_concrete_powder
orange_concrete_powder
magenta_concrete_powder
light_blue_concrete_powder
yellow_concrete_powder
lime_concrete_powder
pink_concrete_powder
gray_concrete_powder
light_gray_concrete_powder
cyan_concrete_powder
purple_concrete_powder
blue_concrete_powder
brown_concrete_powder
green_concrete_powder
red_concrete_powder
black_concrete_powder