Real robotics behind BB-8, adorable new Star Wars droid - CBS News
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Droids in Star Wars: The plight of the robotic underclass.
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R2-D2 – Wikipedie
Disney Star Wars Bb-8 Rc Robot Intelligent Small Ball 2.4g Remote Control Droid Action Figure Bb 8 Model Doll Kids Toys Boy Gift - Action Figures - AliExpress
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R2-D2, from Return of the Jedi | National Museum of American History
Amazon.com: Star Wars Smart App Enabled R2-D2 Remote Control Robot RC : Toys & Games