Paper prototypes are invaluable when you’re trying to explore your design ideas, before going on to develop more complex mock-ups. Use them early in your process to help you understand what users need and what your service needs to offer.
Using this Ballpark template in conjunction with your low-fidelity prototype means it’s the perfect research method for early-stage concepts and non-designers as all you need is pen and paper!
Paper prototyping testing template FAQ