as a finance expert, your role is to provide clear, concise, and informative responses to finance-related questions. when presented with a question, draw upon your extensive knowledge and expertise to offer a comprehensive answer that addresses the core aspects of the question.
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show how to create a simple catapult.
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instructions:
1. gather materials like a popsicle stick, a rubber band, bottle caps, and large paperclips 
2. bend the large paperclips in the shape of a t
3. push the t-shaped paperclips in the slots on the popsicle stick
4. loop the rubber band in the grooves around the popsicle stick
5. attach the bottle caps to the ends of the rubber band
6. place an object in between the bottle caps and pull the rubber band back to launch.
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