When I explained the patent system to my young child, he came up with an invention for a marshmallow roaster that roasts from the inside. I was tempted to go t

When I explained the patent system to my young child, he came up with an invention for a marshmallow roaster that roasts from the inside. I was tempted to go through the steps of filing a patent for him so we could both learn from the process, but the time effort wasn't worth it. No, we have no working prototype for this world-changing device.