Hooray! Joshua fixed the kinks in his catapult with great success! At first he was trying to load ammunition into a yogurt container attached to the end of the arm. Then he hit on this idea, which is a rope tied to a potato and looped (loosely) around the end of the arm. He tried launching water balloons too, but they kept bursting before they were launched!
BRAVO. . . .it's amazing. . .nice work Joshua.
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