Drop the hammer on your party and add Monster Jam 3D 5pc Foil Balloon Kit to your cart! Your Monster Jam fanatic will be doing wheelies when he sees the eye-popping 3D foil balloons. Be sure to pair with curling ribbon and balloon weights so these monsters don't break free. Includes (5) Foil Balloons. Note: balloons ship flat. The Monster Jam 3D 5pc Foil Balloon Kit includes (5) 18" Foil Balloons.