Forge objects

Here is a list of objects you can use in the Forge mode in Halo 3. However on each map the list varies.

Vehicles
All vehicles except the Elephant. Meaning:
 * Warthog $20
 * Gauss Warthog $20
 * Troop Transport Warthog
 * Ghost $15
 * Brute Prowler$20
 * Brute Chopper$20
 * Mongoose $10
 * Scorpion $40
 * Wraith$40
 * Banshee
 * Hornet

Weapons
All Weapons within the game at $2 each for the majority of them. Fuel Rod Cannon $6

Turrets

 * AIE-486H Heavy Machinegun$6
 * Ball Turret
 * Plasma Cannon$6

Equipment

 * Frag Grenade $1
 * Plasma Grenade $1
 * Spike Grenade $1
 * Fire Bomb Grenade $2
 * Bubble Shield $2
 * Portable Gravity Lift $3
 * Active Camouflage
 * Overshield
 * Yellow Powerup
 * Portable Shield Generator $2
 * Power Drainer $2
 * Trip Mine $2

Crates

 * Crate $3
 * Crate, Single $3
 * Turret Case Open$4
 * Turret Case Lid$3

Barrels and Explosives

 * Barrel $3
 * Small Barrel $2
 * Fusion Coil $4

Other
Comm Node $4 Plasma Battery $4 Supply Case $2 Supply Case Rare $2
 * Medical Cabinet $2
 * Camping Stool (Chair)$2
 * Road Barrier $4
 * Road Warning Barrier $4
 * Perm Gravity Lift $3
 * Radio Antennae $4
 * Radio Set, Small $2
 * Equipment Case $2

Teleporters

 * Sender Node $5
 * Reciever Node $5
 * Two-Way Node $5

Related Articles

 * Halo 3
 * Forge