Underwater TNTUnderwater TNT is a block that can be used by the player to initiate a controlled explosion underwater.
Underwater TorchThe underwater torch is a non-solid block that emits light underwater.
UnknownUnknown is a placeholder block exclusive to Bedrock Edition that generates in place where blocks have an invalid ID or invalid component in their behavior…
USB Charger BlockThe USB charger block was a joke variant of the block of redstone exclusive to Java Edition 1.RV-Pre1.
VaultA vault is a block found in trial chambers that ejects loot when unlocked using a trial key. Each vault can be opened by an unlimited number of players…
Vicious PotatoA vicious potato is a joke block exclusive to 24w14potato. It can be found in the Potato dimension.
VinesVines are climbable non-solid vegetation blocks that grow on walls.
WallA wall is a decorative block. Like fences, they can be used to create boundaries, because players and most mobs cannot climb or jump over them.
Warped FungusA warped fungus is a fungus found in warped and crimson forests or by using bone meal on nylium. It can grow into a huge warped fungus if bone mealed, but…
Warped NyliumWarped nylium is a variant of netherrack that generates in the Nether.
Warped RootsWarped roots are a non-solid "plant" block which generate naturally on warped nylium and soul soil in warped forests. They resemble a colony of tall, thin…
Warped Wart BlockWarped wart blocks are a decorative block found in warped forests, generating as part of huge warped fungus.
WaterWater is a fluid that naturally generates abundantly in the Overworld.
Water (Minecraft 4k)In the JavaScript version of Minecraft 4k, ”water” has a block ID of 9. Unlike actual water, it is not a fluid, but rather a static solid block.
Weak RootsWeak roots are a joke block exclusive to 24w14potato.
Weeping VinesWeeping vines are climbable, downward-growing vegetation blocks found in the Nether in crimson forests.
Wheat SeedsWheat seeds are items obtained by breaking grass, or more abundantly harvested from wheat crops, and are used to plant them. Wheat crops are planted in…
WildflowersWildflowers are a thin decorative flower that can be placed four times in the space of one block, similar to pink petals and leaf litter.
Wither RoseA wither rose is a flower that inflicts the Wither effect on players and mobs that touch it. It drops when a mob or player is killed by a wither.
Wither Skeleton SkullA wither skeleton skull is the head of a wither skeleton in the form of a block, which is a rare drop from killed wither skeletons. Three of them can be…
WoodWood or hyphae is a block that has the log's "bark" texture on all six sides. It comes in 12 types: oak, spruce, birch, jungle, acacia, dark oak…
Wooden ButtonA wooden button is a type of button that remains pressed for longer than a stone button and can additionally be pressed by arrows and thrown tridents.
Wooden DoorA wooden door is a variant of the door that is made of wood and can be opened and closed by the player without redstone.
Wooden FenceA wooden fence is the wooden variant of fences, crafted using planks and sticks.
Wooden Pressure PlateA wooden pressure plate is a wooden variant of the pressure plate. It can detect all entities, producing the maximum signal strength of 15. Wooden…
Wooden SlabA wooden slab is a wooden variant of a slab crafted from its respective planks.
Wooden StairsWooden stairs are a wooden variant of stairs, crafted from their respective planks.
Wooden TrapdoorA wooden trapdoor is a variant of the trapdoor that can be opened and closed by the player without redstone.
WoolWool is a block obtained from sheep that can be dyed in any of the sixteen different colors. It can be used as a crafting material and to block vibrations.
Wool SlabA wool slab is a craftable slab variant of wool. It can be dyed in all 16 colors.
Wool StairsWool stairs are a craftable stair variant of wool. They can be dyed in all 16 colors.
XOR BlockIn the first version of Minecraft 4k, there is only one block, with a block ID of 1. Its texture resembles that of an XOR fractal. It seems to be a test…
Zombie HeadA zombie head is the head of a zombie in the form of a block. It can only be obtained by killing a zombie using a charged creeper's explosion. 