
Sphero's been making iPhone-connected ball-shaped robotic toys since 2011, and while the company has been successful with the original Sphero and the Ollie, it stumbled on a major hit this year with the launch of the BB-8, a Star Wars branded iPhone-controlled droid.
BB-8 is based on the droid from the upcoming movie Star Wars: The Force Awakens. It combines Sphero's existing robotic ball technology with the Star Wars universe, a marriage that's resulted in the most appealing, advanced Sphero toy to date.
Sphero's BB-8 has a fun backstory and was designed with help from Lucasfilm. Throughout the development process, Lucasfilm provided Sphero with details on BB-8, feedback on the design, and the iconic sounds that bring the toy's personality to life.
The "real" BB-8 can be seen in the Star Wars: The Force Awakens trailer
Hardware and Design
Design wise, the BB-8 consists of a robotic ball, similar to the original Sphero, and a droid head that fits onto the ball using magnets. Under the head, there are a set of wheels that allow it to move around and stay in place on top of the body of the BB-8 while it is in motion.

BB-8 is about the size of a baseball and fits in the palm of a hand. If you have a Sphero already, the body of the BB-8 is the same size as the Sphero ball. The head is about the size of half a ping pong ball and is adorned with two ornamental antennae. The body and the head are both made of a smooth plastic and there are LEDs inside that allow BB-8 to light up. This is a pretty durable plastic - even when BB-8 slammed into walls, it remained undamaged. Plastic is breakable though, and it's still worth being gentle with BB-8.
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Article Link: Sphero Review: BB-8 Is a Must-Have Toy for Star Wars Fans