A Blasted, Cratered Land: d100 Catalysts Mad Scientist by Thijs88 on Newgrounds A Mad Scientist Experimenting With Chemicals Free Stock Video Mad Scientist. Not all scientists are mad, but it helps if you are! Slip into this fine lab coat and start on your next experiment. The coat comes printed with pocketful of pens, a magnifying glass and even a periodic table. The stains may well be real! Features: Printed jacket only. Size Guide: (U. K.) Medium: Age 5 6 Years (Height 116cm). Large: Age 7 8 Years (Height 128cm). 9 10: Age 9 10 Years (Height 140cm).