DIY learning toy fingerprint verification set early educational science & discovery toys gifts
Seeking and analying the fingerprint is the 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 ridge line together from one piece of unique fingerprint logo.
Even the father and son,mother and daughter ,twin brothers,the fingerprint still have different finger thread characteristics.
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Windmill: 7*6*13cm Robot: 6*7*7cm Car: 13*4*6cm Age Range: 7-14 Features: -The product is starting up by using brine.Children can install 3 kinds of robots by themselves,through this way,they could understand...
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Weight: 174gSize: 210×181×51mmFeatures: 3 different working models. Build your own kit with these kits. The kit will not work if built wrong . Only one project can be completed...
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Helps with fine Motor Skills Eye - hand co-ordination Concentration 3 ways to play this fun game 1. As a pin ball 2. Fishing 3. Throwing the rings into the...