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My device is a homemade trumpet. This is for Elementary school students who want to play instruments. My product converts energy from kinetic energy to sound energy. It is safe to use. I am making my product following the steps. But for the final product, I made it to the recorder.

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Materials
: A small length of garden hose
: Medium-sized funnel
: Trumpet mouthpiece or use the metal connector at the end
: Duck tape

Next step- Make the hose into a circle( red ). Cut both its metal head off, and ready! Now, tape it as shown is picture. If don't have a mouthpiece, only cut one part off. Next step- Thick the funnel in one end and if necessary, tape it. Do the same with the mouthpiece.

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Reflect on your prototype. What were some

strengths? What needs refinement?

Some of the strengths are making a loud sound through threw mouthpiece.

Outline the feedback you received from peers.

Share some changes you will make as a result of

this feedback.

Sound was louder then first time.

Include photos of your prototype and details of

the feedback received.

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Give an overview of your design process,

sharing the product & your learning

Researched a lot about how to make and trial and errored a lot.

Use the rubric & your own success criteria to discuss the

strengths and weaknesses of the product.

The strentgh of our product it is user-friendly and colorful, the weakness is the volume is still not loud and the pitch is not as accurate.

Explain how and why your toy/device meets the design

specifications.

It converts energy and it catches the right audience.

Other reflections: What are you most proud of?

What was most challenging?

We made something that is better than the product we wanted to make before, the most challenging of this product is to make volume higher and pitch accurate.