The sculptures made with dice are from Kim Hyun, from South Korea and the ones using iron nuts are from Manuel Martí Moreno, from Spain. I think it is interesting how those made with nuts can look so realistic and the ones made with dice, for some reason, reminded me zombies.
Click on the images to enlarge and if you wanna know more about the two artists at the end of the post you can find some links.
More about Kim Hyun
More about Manuel Martí Moreno