Kemtec Students will determine their own blood type - A, B, AB or O. Kit is designed for 50 students and contains antiserum(s) plus sterile lancets and alcohol pads, color-coded mixing spatulas, typing cards, individual worksheets and instructions with background material. Typing is done on self-adhesive cards which can be kept for a permanent record. Liquid serums require no refrigeration; lyophilized (freeze-dried) serums store indefinitely and are mixed with distilled water for use as needed. Serums are for educational purposes only.