My friend showed me this istructable but he dosent have an account so ill put it on mine oh by the way this is soooo easy

Step 1: Get the Stuff

you will need a toilet roll or a clingfilm roll or any sort of card board roll i used a kitchen roll roll.some scissors and some rubber bands i used four

Step 2: Cutting

cut small 2 small slits in one side

Step 3: The Rubber Bands Dun Dun Dun

put a rubber band down both slits

Step 4: The Wrapping of the Rubber Bands Dun Dun Duuuuun

wrap the rubber bands round the one in the slits

Step 5: Ur Done

take the rubber band out of the slits and then when u want 2 use it pull back the band put a rock in and fire up the barrel
.....but i do have an account! XD (to those reading this comment, I am the friend he mentions.)
at school we made a rock thrower that was simpler than this, you cover one end of a piece cardboard tube with tape/paper/something. drop a small rock down, hold it by the sealed end and swing. we have thrown a pebble about the size of your thumbnail about 30-50m

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More by EnjoiATOM44:The mini and easy rock launcher how to fight a simple version 
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