1.Search and analysis of the fingerprint is the most famous work for forensics.
2.When people touch the object, there will be some fat or sweat dried left to the fingertip.
3.In the same manner, when the palm or toe touches the object, it will leave some traces to be identifiable.
4.Each fingerprint is unique and never be the same.
5.The line on the finger tip and the ridge line along a piece of unique fingerprint logo.
Through practice by your own hand,let your baby ecperience and percept the interesting fun form doing the experiment,cultivate children observation and seientific exploration spirit.