*No purchase necessary. This offer is valid for customers in Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Hungary, Italy, Luxembourg, The Netherlands, Norway, Poland, Portugal, Slovakia, South Africa, Spain, Sweden, Switzerland and United Kingdom. The Free Invitrogen Flow Cytometry Reagent Selection Tools are available to eligible participants who register on the thermofisher.com/flowtoolkit no later than 31st December 2017. A maximum of one kit per customer. It is the responsibility of the Purchaser to ensure that entering this Promotion does not conflict with internal rules and regulations within their organisation. Void where prohibited by federal, state, provincial, or local laws, regulations, or agency/institutional policy. Healthcare professionals may not participate in this promotion. The term Healthcare professionals includes individuals (clinical or non-clinical physicians, physicians assistants, nurses, technicians, research coordinators, administrators and purchasing personnel, etc.) and entities (including hospitals, rehabilitation centres, nursing facilities, home health agencies, clinics, and group purchasing organisations, managed care organisations, physician group practices, medical directors for health insurance organisations, etc.) and their employees and representatives who are involved in the actual provision of health care services. Government Officials may not participate in this promotion. Government Official shall mean: (i) Any officer or employee of a government or any department, agency or instrument of a government; (ii) Any person acting in an official capacity for or on behalf of a government or any department, agency, or instrument of a government; (iii) Any officer or employee of a company or business owned in whole or part by a government; (iv) Any officer or employee of a public international organisation such as the World Bank or United Nations, the European Union or the World Health Organization; (v) Any officer or employee of a political party or any person acting in an official capacity on behalf of a political party; and/or (vi) Any candidate for political office. Other restrictions may apply.