Very good. Very good product.

Very fast, but it comes without mounting instructions

Unfortunately, without SW on the Arduino… but was also no problem.

Unfortunately, two plastic parts of the robot arrived broken and the control card of the engines randomly worked these without I manipulating the joysticks and when I manipulated them, nothing happened... Conclusion The robot is unusable. Fortunately, the seller with the intervention of refunded me. Thank you. In any case, too bad and I'm a little disappointed...