Develop problem-solving skills while solving a mystery! Junior detectives can hone their crime-solving skills by investigating the mysteries surrounding a fictitious crime scenario. To solve it, you'll perform hands-on toxicology testing, chromatography, fingerprinting, document analysis & simulated blood typing. Learn how each of these processes can be used to support your final conclusion to the crime & “whodunit”! Gr. 7-10. Class Lab for 40.