Detective Fingerprint Exploration Verification Set Children Experiment Puzzle Science Toy

Description:Seeking and analyzing the fingerprint is the most familiar job for forensics. When people touch the object, there will be some grease or dried sweat left on the fingertip. In the same way, when the palm or toe touches the object, there will be some identifiable marks left. Every fingerprint is quite unique and never be the same. The line on the fingertip and the line together form one piece of unique fingerprint. Even the father and son, mother and daughter, twin brothers, the fingerprints still have different finger thread characteristics.Instructions:Detecting Fingerprints:1.Store some baby powder in the baby powder bottle and label it.2.Pour a small amount of baby powder into a small dish.3.Run your fingers through your hair to make them slightly oily.4.Press one of your fingers on a hard, smooth shiny object.5.Put a small amount of baby powder on the brush, sue the blower to blow on it gently, and run the brush softly overt he fingerprinted spot.6.Use the blower to blow