The Metal Earth Dr Who models are amazingly detailed etched models that are fun and satisfying to assemble. Each model starts out as 4 inch square metal sheets and you simply pop out the pieces using wire cutters and follow the included directions to assemble your model. Originally born on Earth's twin planet Mondas, the Cyberman were created as the Mondasians replaced parts of their dying bodies with plastic and steel. Eventually they added emotional inhibitors suppressing all feelings of love, hate and even fear. Details: Silver 1.6" x 1.6" x 2.8" assembled size Moderate difficulty levelNo glue or solder needed Ages 14 and up Contents: 2 square metal sheets (4" x 4" each) Illustrated instruction sheet