A Command Block attached to a
redstone circuit.
Items given to a player from a Command Block.
The interface for a Command Block where the server command can be tested.
Chain Command Block as of
1.9.
Conditional chain command block as of 1.9.
Conditional chain command block.
Repeating Command Block as of 1.9.
Conditional repeating command block as of 1.9.
Conditional repeating command block.
Impulse Command Block as of 1.9.
Conditional impulse command block as of 1.9.
Conditional impulse command block.
A very old version of the command block.