Pros: Accurately described. It works just as you'd except. Notes: It's a fairly lightweight device due to the base being hollow and made of plastic. The balls are relatively well balanced, but not perfect... as you'd expect for the price.
It is a great toy for every age and you can demonstrage physical phenomens with it. The Quality is a little bit poor (cheap plastic) and the strips are not exactly the same length. Pros: - easy to assemble and use - woks as it should - nice decoration Cons: - cheap plastic
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