These official forensic kits contain 22 realistic experiments that allow your child to crack two different mysteries in the style of the investigators on the popular television series. Children learn the basics of forensic science as they extract DNA, analyze inks and synthetic blood, and evaluate hair samples under a microscope. Clear step-by-step instructions are written as if the child were taking part in the investigation, analyzing clues alongside the CSI team members. DNA Lab Kit includes miniature centrifuge, electrophoresis chamber, beakers, chromatography ring, lab glasses, and more equipment to examine DNA code (DNA samples and instructions are provided). Ages 10 and up. Requires three 9-volt and four D batteries.