Design a fret and strumming assist mechanisms to allow any child to play a Ukulele
One paragraph describing the need.
List user needs and corresponding technical requirements to fulfill that need.
Identify existing tech that could meet, at least in part, some of the need, or inspires ideas.
Describe concept 1, hand drawings, simple CAD, description.
Describe concept 2, hand drawings, simple CAD, description.
Describe concept 3, hand drawings, simple CAD, description.
Show a process to select the best concept, e.g. decision matric: https://asq.org/quality-resources/decision-matrix
Your goal for analysis, your method of analysis, and results.
Document your build process with text and images.
Describe testing to ensure the system is safe.