Twelve (12) Blaster guns Silly Crazy Party String blaster gun, what better way to shoot your string that is so silly. It is so silly to use party string. Buy extra cans with our 24 case of large Crazy Party String. This Party String Blaster comes with 2 - 3oz cans of crazy string / party string. Liven up your party or wedding or any celebration. Great for school fundraisers and fundraising ideas. Buy in bulk and save with crazy party string blasters for party favors. You can refill the gun with silly crazy party string, or Silly String (made in the USA) PARTY STRING and similar products have been used by American and British military forces to detect tripwires for explosive booby traps. The string is sprayed over the suspected area, and if the string falls to the ground, no tripwires are present since the string would catch on the tripwires (but is not heavy enough to activate the explosive).