Compatible with science and education building blocks motor 9686 mechanical parts remote control power group

Express instructions:




1) All parts are quality checked before shipping, please don't worry.





2) The parcel would be sent off within 2 business days. And express delivery will be a little delay during holidays.





3) Please fill in your full name and correct address, we can do nothing for these kind of mistakes during the transportation.





4) When you need a lot, we are very willing to give you some gifts or discounts, please keep in touch with us .





5. Thank you very much for choosing our products.