Solve exciting crime mysteries with this safe and fun educational Scientific Explorer Crime Catchers Science Kit. Like a crime scene investigator, you can solve two mysteries with eight activities by following clues and gathering evidence, learning about DNA, matching fingerprints, testing powders, and decoding secret messages. The set includes baking soda, citric acid, flour, 12 suspect cards, six pH strips, three coffee strip filters, three cups, two markers, two plastic bags, decoder glasses, a graduated cylinder with a cap, a test tube with cap, a painting, rubber band, shoe print, and activity guide.