Looking about the net the Leap Pad 2 usually comes out on top for build quality,which is what you want,I think, in a child's toy ,or whatever you would call it.
There is quite a bit of good comments here Google. Have a look and see what you think.
Huawei P10 review
1995-2015: How technology has changed the world in 20 years
How VR is being used to simulate space
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