Us too. Which is why we were fascinated by this life-size dolls' house which is currently standing in Grand Central Station, NYC. But isn't a life-size dolls' house just a house? Not quite.

Today, we're going to open up each of these three dolls and do a little bit of math to try to figure out what they would look like if they were life-size. We have your more typical Barbie over here.

The giant-size dolls simulate a patient weighing 145kgs, or 23 stone and have been bought by Sheffield Hallam University’s School of Health. Suppliers Simulation Collective say: “The moveable ...