It may lack the magical adventure of The Hobbit or the speeds and thrills of an F1 racer but for sheer ingenious practical value you can't beat building a prosthetic leg out of Lego.
Christina Stephens, an occupational therapist and clinical researcher, lost her foot earlier this year and had her leg amputated just below the knee.
She has chronicled her journey through Facebook and YouTube so when someone challenged her to build a prosthetic out of Lego she readily accepted...