Here is a list of material's u will need to make "The Ballon Gun" :::enjoy.
1 ballon(any size)
small thermocol sheet(optional)
empty pen refills or some bb plastic bullets
a little paint ( any colour)
2 rubber bands.
Step 1: Cutting the Main Body
Step 2: Attaching the Ballon
Now adjust the balloonto the center as shoen in the fig's 2,3.
After that place or put the rubber bands tightly on the balloon's mouth as shown in fig 4.
and last of all to make sure that the baloon does not move from its place we add a strong layer of tape.
Step 3: Making the Target.
After that hang the thermocol sheet somewhere to shoot at it but don't hang it in a populated spot.