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Top 5 Positive Customer Reviews for helicóptero para o robô
delivery to EU within 2 weeks :-) 10 of 10 working well, one a little bit noisy. Have different circular frequencies while receiving the same signal. Some running uneven at lower circular frequency. So maybe you could improve the precision / smoothness of your plastic bearings? :-) Nevertheless a nice product and a nice price. I will order more soon :-)