www.youtube.com/watch?v=Z7Oz_2u-iz4 - Engineering - HOW TO PROTOTYPE?Think creatively, prototype to answer a question!Prototypes do not need to be a final, functional, or visually appealing model, they just have to answer a question about the design (or provide means for a question to be answered). Think about the questions you want answered, and make prototypes to test them! Will it fit in the hand? Prototype!Is it comfortable? Prototype!Is it blue enough? Prototype!Will I win the lottery? Probably not!