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Impression:not so good quality;

It is the same principle as all newton's cradles. Its made of plastic and have light weight balls so it makes it little bit unstable. It would been better if it was made out of metal. Nils

Impression:No esta mal;

No esta mal, pero es más pequeño de lo que esperaba, pero por el precio que tiene tampoco se puede pedir ucho mas

Impression:Cheap Plastic ,nice looking;

It's nice looking toy for my kid's desk. My kid like this very much. It's very easy to assemble and it's ready for use in half a minute. Con: it stops ticking in 10-15 seconds.

Impression:nice toy,Cheap Plastic ;

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.

Impression:хорошо,nice toy,Cheap Plastic ;

thank you it was as i expected i love it so much

Impression:nice toy;

Good one

Impression:nice toy,Cheap Plastic ,great decoration;

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

Impression:nice but too light;

better spend few more $ and buy the heavier versions, this one is a bit to light weight and loses inertia very fast (less than 20 seconds...)

Impression:not bad as such;

too little repetitive movements

Impression:хорошо;

Заказ пришел без всяких задержек. Товар очень качественный и очень дешевый. Всем буду советовать покупать. Лучшее, что я видел за эти деньги