The document summarizes a student's project to design and build a tennis ball launcher to help elderly or disabled people play fetch with their dogs. The student chose this project to allow people with bad arms or disabilities to have fun and keep their dog active. They enjoyed building and testing the launcher. The document outlines the design, building, and testing process for the tennis ball launcher and what the student learned.
2. My problem and solution
• How to make a machine to help old
people be able to play fatch with there
dog.
• To make a tennis ball launcher to help old
people that have a bad arm to play with
there dog.
3. Why I chose this
• I chose this because i wanted to see how
this could help people with bad arms and
disabletes be able to have fun and keep
thier dog active at the same time.
4. What i enjoyed most
• I enjoyed most was building the tennis ball
launcher and finding the materials for it.
I also enjoyed testing the tennis ball
launcher.
5. Explanation and procedures
• The steps i used
• design the launcher
• buying the materials
• building the materials
• testing my tennis ball launcher
6. • How to design a tennis ball launcher
• How to build and test a tennis ball
launcher
What i learned
7. Things i would do different
• Building a bigger tennis ball launcher
• Building a more high powered tennis ball
launcher
8. The most difficult part
• Was building the tennis ball launcher
• Puting the zipties on the launcher
