Hello: I was looking for innovative a fun ways of teaching quality control. Could you suggest me a resource where i could find material that might help me develop something like this. Thank you avneet (something like the paper helicopter or catapult etc.) "I have no data yet. It is a capital mistake to theorize before one has data. Insensibly one begins to twist facts to suit theories instead of theories to suit facts." ~ Sir Arthur Conan Doyle (1859-1930), Sherlock Holmes