If you're building a product for your new business, you'll first need a solid prototype. This will help you better visualize your concept and start getting necessary feedback from customers or peers.

Opinions expressed by Entrepreneur contributors are their own. Amazon Fire Phone, Google Glass, New Coke and Nintendo’s Virtual Boy: What do all these products have in common? They didn’t sell.

Whether you are developing a new title in a pre existing franchise or creating something entirely new, the process of prototyping is an important stage to ensure that the base concept is not only one ...