Heaps Powerful Cardboard Gun That Can Fire 6m +

youwill need : 1x cardbord strip (depending on the size you want they will varey, the silver gun used a 17cm x 11cm (leaving a bit o' room on either side.).),1x straw,(i use orange),tape,(i don't use glue :-) ), balloon animal baloon (better than a rubber band) optional: paint,textas.

Step 1:

cut a gun-like shape out of the cardboard. 

Step 2:

tape a piece of the straw to the right or left side of the cardboard and then tape both sides together.

Step 3:

tape the peice of balloon to the gun body.

Step 4:

optional: paint or colour