Dotted Line Block
From the Super Mario Wiki
Dotted Line Blocks are objects found in Super Mario World and its sequel, Super Mario World 2: Yoshi's Island as well as Yoshi's Island DS. Properly speaking, they are not real blocks but rather transparent objects. They come in four colors and turn into ! Blocks once the player hits the ! Switch in the Switch Palace of the corresponding color.
| Blocks |
|---|
| ! Block | ? Block | ♪ Block | 4-Bros. Random Block | Arrow Block | Aurora Block | Bonus Block | Brick Block | Bros. Block | Coin Block | Command Block | Dice Block | Dotted Line Block | Drop Block | Egg Block | Event Block | Expansion Block | Giant ? Block | Giant ! Block | Grab Block | Hidden Block | Hint Block | Ice Block | L Block | Laser Block | M Block | Marshmallow Block | Metal Block | Minus Block | Mushroom Block | Perry Block | Plus Block | POW Block | Pushing Block | Rally Block | Random Block | Rock Block | Save Block | Shine Block | Simu-Block | Spin Block | Star Block | Stone Block | Super Block | Triangular Block | Turning Block | Used Block | Warp Block | Wooden Block | Yellow Block | Yoshi Block |

