As the name might suggest, Sphero's claim to fame is its sphere-shaped toy robots. These include the original Sphero, Sphero 2.0, Sphero Mini, BB-8, and BB-9E. The company has also been marketing some of its products towards education as STEM learning tools, particularly with the SPRK+.

Sphero's latest product is another educational robot - the Bolt. It's a minor upgrade from the existing SPRK+, with a configurable LED matrix display, infrared sensors for communicating with other robots, and "more than two hours of continuous play."

I think the Sphero Bolt is a well-designed product, but I'm not sure there's enough value to justify the $150 price tag, especially when it's only an iterative improvement over the company's existing robots.

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