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Top 5 Positive Customer Reviews for car toy program
Very satisfied. Initially the item had a broken motor but the seller sent me a replacement motor for free. Assembly instructions are good, the only thing I observed was that I didn't know motor polarity and had to reconnect motor wires for a few times. It was helpful to put labels on each motor and battery wire, then it was simple to put them to the right contacts.Maybe a good thing would be to change on/off switch to avoid soldering. At least I didn't manage to connect wires to the on/off switch without soldering them. Applications are correct and working, including android application. For the line tracking and obstacles avoiding I had to adjust sensors sensitivity, but it is a normal process.