Scientific Explorer Crime Catchers Spy Science Kit is a safe and funeducational science kit that will have you following clues and gatheringevidence by matching fingerprints, testing powders and liquids and decodingsecret messages like a crime scene investigator. Follow the instructionbooklet to solve the 2 exciting mysteries with 8 different activities andlearn some really cool science about how real crime labs work. Compareevidence, ask questions and make observations using different senses. Let'ssolve some mysteries! Includes 2-baking soda (0.25oz.), citric acid (0.25oz.),2-flour (0.25oz.), 12 suspect cards, 6 ph strips, 3 coffee strip filters, 3cups, 2 markers, 2 plastic bags, decoder glasses, graduated cylinder with cap,painting, rubber band, shoe print, test tube with cap and activity guide.Recommended for children 8 years of age and older.Solve 2 exciting mysteries with 8 activitiesMatch fingerprints, DNA, test powders and liquids and decode se