Main article: Block
| Block | Appearance | Summoned By | Notes |
|---|---|---|---|
 Magical Ice Block
|
|
 Ice Rod
|
A temporary block only lasting a few seconds before shattering into nothing. Can be summoned in mid-air which makes it convenient for climbing and building permanent structures in mid-air. |
 Demonite Brick
|
|
 Wall of Flesh
|
Included here for completion, Demonite Bricks are summoned in Corruption worlds as a box around the items dropped by the Wall of Flesh to prevent them from falling into lava. |
 Crimtane Brick |
|
Wall of Flesh
|
Included here for completion, Crimtane Bricks are summoned in Crimson worlds as a box around the items dropped by the Wall of Flesh to prevent them from falling into lava. |
 Sand Block
|
|
 Sand Ball (  Antlion,  Sandgun)
|
Included here for completion, Sand Blocks are summoned from sand "projectiles" fired by Antlions and the Sandgun. The latter will also summon a Sand Block when it hits an enemy in addition to the ground. |
 Snow Block
|
|
 Snow Balla
|
Included here for completion, Snow Blocks are summoned from snow ball "projectiles" thrown from Snow Ballas during the Frost Legion invasion. The snow ball may become a Snow Block when it comes into contact with another block. |
