[12/21/2020] iRobot Root rt0 Coding Robot with Brick STEM 益智玩具，iRobot Root rt0 Coding Robot with Brick Top Holiday Bundle: Programmable STEM Toy for Kids 6+, Ideal for Creative Play Through Art, Music & Code，現在特價只要$84.99 USD。Prime境內免運費。哪裡買：Woot via amazon。