Some rubber bands
3 Paper clippers
9 Popsicle sticks
Some duct tape
Step 1: Making the Body
Pick three sticks and glue them with the tape, like the first picture. Make this three times.
After make a rectangle using two sticks and two clothespin, like the third picture.
Put some rubber bands on the corners to make it stronger.
Step 2: Finishing Up
Now you need to put the paper clip on the spoon using some tape. Also put on top a paper clip.
Put the spoon with the clip on the bottom and put a rubber band connecting the spoon to the top.
That's it, your catapult is ready to work!