Search and analysis of the fingerprint is the most famous work for forensics.When people touch the object, there be some fat or sweat dried left to the fingertip.In the same manner, when the palm or toe touches the object, it leave some traces to be identifiable.Each fingerprint is and never be the same. on the finger tip and line along a piece of fingerprint logo.Color: As shownHousing material: cardboardThe father and son, mother and daughter, the twin , the fingerprints have formed another finger yarn properties.Small detector:Through the practice of own hand, let children do experience and perception interesting fun, experiment, care for your baby observation ability and scientific exploration spirit.In these activities, see disclose and record fingerprints of yourself or of your environmentNote: Only for children over 10 years old.Fingerprint powder is for security reasons not included Additional items that you need: some baby powder power as fingerprint powder, some blank writing paperPackage included:1 x bottle for fingerprint powder1 x Brush1 x Black Plastic1 x ink pad1 x Motion1 x Fan1 x pair goggles1 x Work badge1 x Transparent tape1 x Manual1 x case sheetNote:Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3 cm.