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
 * Brute Chopper
 * Mongoose $10
 * Scorpion $25
 * Wraith
 * Banshee
 * Hornet

Weapons
All Weapons within the game at $2 each for the majority of them.

Turrets

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

Equipment

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

Crates

 * Crate $3
 * Crate, Single $3
 * Open Machine Gun Case
 * Closed Machine Gun Case

Barrels and Explosives

 * Barrel
 * Small Barrel
 * Fusion Coil $4

Other

 * Medical Cabinet
 * Camping Stool (Chair)
 * Road Barrier
 * Road Warning Barrier
 * Perm Gravity Lift
 * 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