Blocks Catalog

BABFT blocks split into three categories: material (structural), decoration (cosmetic), and ability (mechanical). Each has a hidden mass metric that affects buoyancy and a hitpoint value that determines environmental durability.

ACommon

Wood Block

1 hitpoint, 2.8 kg. The third-lightest non-massless block. 18 Wood Blocks counter one Balloon Block.

RoleStarter material
TypeMaterial
ObtainStarter inventory
Best ForLightweight starter hulls
LightweightCheapBuoyant
SRare

Plastic Block

Massless property (0.00 kg). Essential for hinges, rotors, and any mechanism where weight destroys function.

RoleMassless material
TypeMaterial
ObtainStarter inventory
Best ForZero-inertia mechanisms
MasslessMechanicalZero weight
SEpic

Titanium Block

30 kg estimated mass with high durability. Best armor for boss runs. Comes in 38-block bundles.

RoleHeavy armor
TypeMaterial
ObtainEpic Chest (30% per slot)
Best ForEndgame armor plating
HeavyDurableBundle drop
ACommon

Concrete Block

20.504 kg, strong hitpoints. Best weight-to-strength tradeoff for mid-game.

RoleMid material
TypeMaterial
ObtainRare Chest (30%) / Epic Chest (30%)
Best ForMid-game hulls
AffordableStrongMid-weight
ACommon

Marble Block

Same weight class as Concrete with cleaner visual finish.

RoleDecorative material
TypeMaterial
ObtainRare Chest (30%)
Best ForShowcase builds
PolishedMid-weightDecorative
BCommon

Ice Block

15% Rare Chest drop rate. Useful for sliding puzzles and trap mechanics.

RoleSlippery material
TypeMaterial
ObtainRare Chest (15%)
Best ForTrap mechanisms
SlipperyMid weightTrap utility
BCommon

Sand Block

12.8 kg per block. Lighter than Concrete, useful as low-mass counterweights.

RoleHeavy material
TypeMaterial
ObtainRare Chest (15%)
Best ForCounterweights
Mid weightCounterweightCheap
SLegendary

Bricks Block

15.37 kg with the Legendary tier's high durability. Defines Legendary Chests.

RolePremium material
TypeMaterial
ObtainLegendary Chest (33.3%)
Best ForPremium hulls
33.3% rateDurablePremium
BRare

Neon Block

5.6 kg with luminous emissive surface. Cosmetic with minor lighting utility.

RoleGlow material
TypeMaterial
ObtainRare Chest / Winter Chest (1%)
Best ForLight shows
GlowLight weightVanity
ARare

Obsidian Block

High-density block with strong hitpoints. Often compared favorably to Titanium for hull plating.

RoleDense armor
TypeMaterial
ObtainRare Chest drops
Best ForHeavy armor
DenseDurableHeavy
SRare

Balloon Block

Generates upward lift counteracting exactly 18 Wood Blocks (~50.4 kg) per balloon.

RoleLift provider
TypeAbility
ObtainRare/Epic Chest ability slot
Best ForAerial builds
LiftAerialCounterweight
SRare

Cannon

Fires explosive projectiles. Required for Dragon boss and PvP combat.

RoleOffensive ability
TypeAbility
ObtainRare/Epic Chest ability slot
Best ForBoss damage and PvP
DamageBoss metaPvP
ARare

Glue Block

Welds blocks together. Essential for hinges, joints, and the UFO Hinge flight glitch.

RoleAdhesive ability
TypeAbility
ObtainRare/Epic Chest ability slot
Best ForWeld joints and rotors
WeldJoint utilityGlitch tech
ARare

Piston

Massless linear actuator. Used in doors, traps, and piston-driven walkers.

RoleLinear actuator
TypeAbility
ObtainRare/Epic Chest ability slot
Best ForMechanical mechanisms
MasslessLinear motionTrap utility
ARare

Hinge

Rotational joint. Core to the UFO Hinge flight glitch and any rotating mechanism.

RoleRotational actuator
TypeAbility
ObtainRare/Epic Chest ability slot
Best ForRotors and doors
RotationMechanicalGlitch utility
SEpic

Thruster

Standard propulsion block. 92 studs/s cap with 90-second fuel tank.

RolePropulsion
TypeAbility
ObtainEpic Chest ability slot
Best ForForward thrust
Propulsion92 studs/s90s fuel
S+Legendary

Mega Thruster

Gamepass-gated thruster with significantly higher force output. Stacking induces severe torque.

RoleHeavy propulsion
TypeAbility
ObtainMega Thruster gamepass
Best ForMech propulsion
High forceGamepassTorque risk
SRare

Jet Turbine

Aerial propulsion block. 500 Robux gamepass unlocks 1 Jet Turbine + 1 Pilot Seat.

RoleAerial propulsion
TypeAbility
ObtainSonic Jet Turbine gamepass
Best ForAerial thrust
AerialGamepassPilot seat
S+Legendary

Display Block

Logic Update 2026 block. Mirrors the RGB value of the switch/button that activates it.

RoleLogic component
TypeLogic
Obtain96 Gold per 16 units
Best ForLogic builds
RGB mirrorLogic Update96 Gold/16
S+Legendary

Gate Block

Binary input/output logic primitive. Conditional activation of cannons/thrusters/hinges.

RoleLogic primitive
TypeLogic
ObtainLogic Update drop
Best ForConditional triggers
LogicConditionalLogic Update
BRare

Button

Player-activated switch. Inputs to Display and Gate blocks.

RoleManual trigger
TypeAbility
ObtainRare/Epic Chest ability slot
Best ForManual triggers
Manual triggerLogic inputCheap
BRare

Switch

Toggle switch with persistent state. Inputs to Display and Gate blocks.

RoleToggle trigger
TypeAbility
ObtainRare/Epic Chest ability slot
Best ForToggle activation
TogglePersistent stateLogic input
S+Legendary

Portal

Teleports the avatar between paired positions. Core of the Portal Conveyor AFK farm.

RoleTeleportation
TypeAbility
ObtainAFK farm meta-game
Best ForAFK grinder teleports
TeleportAFK backbonePair-required
ARare

Harpoon

Tethered projectile piercing multiple high-density obstacle blocks. Halloween-exclusive Dragon Harpoon variant at 300 Robux.

RoleTethered projectile
TypeAbility
ObtainDragon Harpoon gamepass
Best ForPiercing obstacles
PierceTetheredGamepass

Data Quality Notes

Keep entries useful by separating source-backed facts, player-tested strategy, and update timing.

Source fields

Keep rarity, obtain method, abilities, and summary tied to official posts or repeatable in-game testing.

Internal links

Link blocks entries to matching builds, boss routes, and guide sections.

Update rhythm

Keep tier values and obtain methods current after each game update.