This forensic investigation scenario and kit comes complete with simulated blood samples and serums - equipment - teachers & technicians guide and crime scene notes for students. This activity kit covers: Components and function of blood; Preparation of microscope slides; Haemoglobin and Presumptive blood testing; Blood types and blood type testing; Importance of blood at crime scenes. Enough provided for a class of 30. Used properly the kit is designed for at least 3 uses. Refill kit available.