Orbotix, the company that makes fast-moving, robotic toys that you control with smartphone apps, has raised another $20 million in funding. This brings the total raised by maker of the popular Sphero ball to $35 million, as it gears up to start selling its next product, the cylindrical Ollie, later this year. Previously, Orbotix — based out of Boulder, Colorado and originally incubated at TechStars — had raised $15.2 million from TechStars, Foundry Group, Highway 12 Ventures and SK Ventures.