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Keyes is a maker company focusing on the development and producion of open-source hardware products and peripheral products of educational robots. We have years of experience in robot development, with independent intellectual property rights of a series of intelligent educational products.
Your feedback is very important for us, if you are satisfied with our products, please give us good feedback. Of course, we will give you praise too.
If you are not satisfied with our products or haven't receive your item in estimated delivery time, Please don't hesitate to contact us via ebay message. Please don't open a case or leaving a negative feedback before contacting us, we will always do our best to help solve your problem and offer you a satisfactory response. Thank you very much for your support and understanding.