A Boost Block[1][2], also known as Speed Booster Block[3], is a type of block that can only be destroyed by using the Speed Booster. They are found in Metroid Fusion, Metroid: Zero Mission, and Super Metroid. They can also be destroyed using a Shinespark which uses the Speed Booster.

Official data[]

Super Metroid manual[]

Speed Booster Block SM.png "Blocks with the Speed Booster icon melt away when Samus runs into or over them at super speed."

Metroid Fusion manual[]

Speed Booster Block MF.png "Break through Boost Blocks after recovering the Speed Booster. Reaching the necessary speed requires some distance, so start running in the room next to the room containing Boost Blocks."

Metroid Zero Mission manual[]

Speed Booster Block MZM.png "Break through Boost Blocks by acquiring the Speed Booster and then charging through the blocks at supersonic speed. Reaching the necessary speed requires some distance, so you may have to start running from the next room over."